Top 10 Electric Knife Sharpeners for Japanese Knives

1. Chef'sChoice Diamond Hone Electric Sharpener: 3-Stage, for Straight & Serrated Blades

About 159.95 USD

Highly rated
• Sharpness
• Works well
• Ease of use
• Speed
• Edge quality

Some controversy about
• Value for money
• Design
• Durability

This Chef'sChoice electric sharpener is a game-changer. The three-stage process, using 100% diamond abrasives, is incredibly effective on both my straight and serrated knives. It effortlessly achieved a razor-sharp edge on both my 15 and 20-degree blades, thanks to the precision guides. The patented stropping disks add that final, polished touch, leaving knives feeling incredibly smooth. While it's a bit pricey, the consistent, professional results make it worth the investment. I've sharpened everything from my chef's knife to my serrated bread knife, and each one slices like a dream. Highly recommend for anyone serious about maintaining their knives.

This electric sharpener excels at sharpening both Japanese and Western knives, achieving razor sharpness effortlessly and efficiently, delivering remarkable value.

2. Chef'sChoice Trizor XV EdgeSelect Professional Sharpener: 3-Stage Diamond Honing for Straight & Serrated Knives.

About 168.96 USD

Highly rated
• Sharpness
• Ease of use
• Effectiveness
• Value for money
• Build quality
• Speed
• Edge retention

Some controversy about
• Scratch resistance

This Chef’sChoice 15 Trizor XV sharpener is a game-changer. The three-stage diamond abrasive system, using the hardest natural substance on earth, quickly and easily sharpens both straight and serrated blades to a precise 15-degree angle. I found the patented flexible guides ensured accurate sharpening every time, eliminating guesswork. The final stropping stage leaves knives with an incredibly polished finish. While a bit pricey, the speed and precision—a minute for initial sharpening, ten seconds for touch-ups—make it worthwhile. My knives are sharper than ever, and I'm confident this sharpener will last for years.

This electric sharpener quickly restores razor sharpness to Japanese knives, exceeding expectations and offering remarkable value for its ease of use and superior results.

3. Homly Professional Electric Knife Sharpener: Diamond Abrasives, Precision Angle Guides, 3-Stage Sharpening for Straight & Ceramic Knives.

About 89.99 USD

Highly rated
• Sharpening ability
• Works well
• Ease of use
• Value for money
• Durability
• Noise level
• Speed

Some controversy about
• Sharpness

This Homly electric knife sharpener is a game-changer. The three-stage system, using diamond abrasives, sharpened my knives incredibly quickly and easily. Stage one and two honed the blades using 100% diamond abrasives, while stage three polished them to a razor's edge. The precision angle guides ensured a consistent, safe sharpening process, even for my ceramic knives. The sturdy construction and powerful, yet quiet, motor impressed me. It's easy to use and significantly improved the sharpness of my entire knife set. The two-year warranty is a bonus!

Effortlessly sharpens Japanese knives in minutes, restoring cutting edge. Fast, easy, and convenient—remarkable value for its ease of use and effectiveness.

4. Electric Knife Sharpener: Diamond Abrasives, Precision Angle Guides, 3-Stage Sharpening for Metal & Ceramic Knives

About 62.99 USD

This electric knife sharpener is a game-changer. The three-stage system (coarse, fine, polish) using diamond and resin wheels really works. I was skeptical, but even my seriously dull knives came out razor sharp after just a few passes. The 15-degree angle guide ensures consistent sharpening, and the whole process is surprisingly easy. The magnetic dust collection is a nice touch, keeping things clean. While the motor is a bit noisy, it's not unbearable. Considering the durability (3200 uses for the diamond wheel!), this sharpener offers fantastic value and makes sharpening a breeze.

This electric sharpener delivers razor-sharp knives effortlessly, exceeding expectations. Its diamond abrasives and ease of use, even for novices, provide remarkable value.

5. Chef'sChoice 15XV Professional Diamond Sharpener: 3-Stage, for Straight & Serrated Knives

About 144.95 USD

Highly rated
• Sharpness
• Ease of use
• Functionality
• Build quality
• Value for money

This Chef’sChoice 15XV sharpener is a game-changer. The diamond abrasives on the three stages really deliver; I went from dull knives to razor-sharp in under a minute the first time. The 15-degree Trizor XV edge is incredible – a noticeable difference. The flexible guides make it easy to use, even on serrated blades, and the whole process is surprisingly quiet (though not silent). While the first sharpening takes a minute, subsequent touch-ups are super fast, around 10 seconds. It’s a bit pricey, but the results justify the cost for anyone who values truly sharp knives.

Effortlessly sharpens Japanese knives to a razor edge, exceeding expectations and offering remarkable value; a superior, easy-to-use electric sharpener.

6. ROYSHA 3-Stage Diamond Knife Sharpener: Precision Angle Guide, 240/600/1000 Grit, Steel & Ceramic Knives

About 64.99 USD

This RoySha electric knife sharpener is a game-changer. I tested it on several knives, both steel and ceramic, and was impressed by its three-stage system. The coarse 240-grit diamond abrasive quickly sharpened my dullest blades, while the 600-grit stage provided excellent daily maintenance. The final 1000-grit resin polishing stage left my knives razor sharp with a mirror finish. The 15° angle guide ensured precise sharpening, and the magnetic chip collection tray made cleanup a breeze. It's efficient, convenient, and delivers professional results – a worthwhile investment for any kitchen.

This electric knife sharpener quickly restores sharpness to various knives, including Japanese and ceramic blades, offering excellent value and ease of use.

7. Pro Series Electric Knife Sharpener: 3-Stage Diamond Abrasive, Super Quiet, All Knives

About 49.99 USD

This electric knife sharpener is a game-changer. The three-stage diamond abrasive system, followed by a polishing stage, really delivers. My knives, even the really dull ones, are now razor sharp. The 20-degree angle guide ensures consistent sharpening across the entire blade, and the spring-loaded guides make it effortless. It’s surprisingly quiet too – no more loud, jarring noises while sharpening. I was particularly impressed with how well it handled various knife types; it's genuinely a professional-level sharpener for home use.

This electric sharpener efficiently sharpens Japanese knives, exceeding expectations with its three-stage sharpening system for a polished finish. Exceptional value.

8. Professional Electric Knife Sharpener for Kitchen Knives, 3-Stages Sharpener System with Diamond Abrasives, Quickly Sharpening, Repair/Restore/Polish Blades

About 61.97 USD

This electric knife sharpener is a game-changer. The three-stage system, using diamond abrasives and a final polishing stage, really delivered. I was impressed by how easily it sharpened my knives, achieving a consistently precise 20-degree angle across the entire blade thanks to the clever guides. The motor remained cool even after multiple uses. It's a bit of an investment, but the results – incredibly sharp, long-lasting edges – are worth it. Highly recommended for anyone serious about their knives.

9. Chef'sChoice 316 Diamond Hone Sharpener: Precision 2-Stage Sharpening for 15° Knives

About 79.99 USD

Highly rated
• Sharpness
• Functionality
• Ease of use
• Value for money
• Angle change

Some controversy about
• Noise level
• Build quality

This Chef'sChoice 316 sharpener is a game-changer. The two-stage diamond honing system is incredibly effective; the first stage sharpens, the second polishes, leaving an amazing edge. It's designed for a 15-degree angle, perfect for my Asian and European knives. The precision guides make sharpening easy and consistent, even for a novice like me. I was initially skeptical about the price, but the quality and results are undeniable. My knives feel brand new – slicing through tomatoes effortlessly. The compact size is also a plus, easily stored in my kitchen drawer. Highly recommend it to anyone wanting professional results at home.

This electric sharpener excels at achieving razor-sharp edges on Japanese knives, exceeding expectations and offering remarkable value for money.

10. Professional 3-Stage Electric Knife Sharpener: Diamond Abrasives, 15° Edge, Sharpen, Repair, Polish.

About 69.99 USD

This electric knife sharpener is a game-changer. The three-stage system, using 100% diamond abrasives, effortlessly sharpened my knives. Stage one and two honed the blades, while the final stage polished them to a razor's edge. The 15-degree angle guide ensured consistent sharpening across the entire blade length, and the spring guides kept everything perfectly aligned. The powerful, yet cool-running motor made the process quick and easy. I was amazed at how quickly it revived even my most neglected knives, leaving them sharper than ever. Highly recommended!

This electric sharpener revitalizes dull Japanese knives, providing razor-sharp edges efficiently. Its ease of use and superior results offer remarkable value.