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USPTO Patent Rankings Data through Dec 31, 2025
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Ryo Ito — 41 Patents

Sony: 9 patents #4,898 of 25,231Top 20%
AEAlpine Electronics: 8 patents #21 of 637Top 4%
Brother Kogyo: 4 patents #1,445 of 2,767Top 55%
Toyota: 4 patents #6,797 of 26,838Top 30%
ACAlps Alpine Co.: 4 patents #64 of 525Top 15%
TCTaiyo Yuden Co.: 3 patents #384 of 959Top 45%
JTJtekt: 2 patents #749 of 1,969Top 40%
SMSuzuki Motor: 2 patents #288 of 1,209Top 25%
DEDexerials: 2 patents #177 of 387Top 50%
Nec: 2 patents #5,544 of 14,502Top 40%
Denso: 2 patents #4,986 of 11,792Top 45%
BPBlueprint Acoustics Pty: 1 patents #3 of 7Top 45%
Honda Motor Co.: 1 patents #12,035 of 21,052Top 60%
TOTokin: 1 patents #101 of 278Top 40%
Tochigi, JP: #83 of 2,789 inventorsTop 3%
Overall (All Time): #75,001 of 4,157,543Top 2%
41 Patents All Time
Ryo Ito has been granted 41 US patents while listed as an inventor at Sony. The first was granted in 1988 and the most recent in October 2025. Ryo Ito ranks #75,001 of 4,157,543 US inventors in our database (top 1.8%). Patent records list Ryo Ito in Tochigi, JP.

Issued Patents All Time

Showing 1–25 of 41 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
12455664 Semiconductor device Toshihiro Sato 2025-10-28
12418153 Method for manufacturing connection body, and connection body Yasunobu Yamada, Daisuke Sato 2025-09-16
12418130 Connection body and method for manufacturing connection body Ryosuke Odaka, Hiroyuki Kumakura, Tomoyuki Abe, Daisuke Sato, Katsuhisa Orihara +1 more 2025-09-16
12010921 Piezoelectric element with lithium manganate-containing ceramic layers and silver-containing internal electrodes Takayuki Goto 2024-06-11 $599,000
D1021695 Motor scooter Akiko Sakai, Terukazu Kumagai 2024-04-09
11895475 Speaker with improved cooling — 2024-02-06
11889767 Multilayer piezoelectric ceramic and method for manufacturing same, multilayer piezoelectric element, as well as piezoelectric vibration apparatus Gouki Watanabe, Takayuki Goto, Hiroyuki Shimizu, Sumiaki Kishimoto 2024-01-30 $718,000
11805367 Speaker Hiroki Toita, Ryosuke Tachi 2023-10-31
11750976 In-vehicle sound emitting device — 2023-09-05
11700479 Acoustic device — 2023-07-11
11631801 Multilayer piezoelectric ceramic and method for manufacturing same, multilayer piezoelectric element, as well as piezoelectric vibration device Tomohiro Harada, Takayuki Goto, Hiroyuki Shimizu, Sumiaki Kishimoto 2023-04-18 $892,000
11276385 Noise reduction device, vehicle, noise reduction system, and noise reduction method Ryosuke Tachi, Keita Tanno, Mone Isami, Haruki UESUGI 2022-03-15
10462555 In-vehicle speaker — 2019-10-29
10263562 Electrical apparatus — 2019-04-16
10230280 Rotating electric machine Junichiro Tanaka 2019-03-12
9963083 Vehicle loudspeaker system Arata Tada, Keita Tanno 2018-05-08
9942636 Vehicle-mounted speaker system Kei Tanabe, Akio Suzuki 2018-04-10
9908216 Grinding wheel manufacturing method and grinding wheel Shinji Soma, Naoto Ono, Tomoyuki Kasuga 2018-03-06
9802556 Electric vehicle Junichiro Tanaka, Naoya Murota, Mitsunobu Terada, Tomohiro Yamada 2017-10-31
9753430 Sensor device having plural resistance change sensors and method of using the same Jie Zheng, Kenji Kanazawa, Osamu Takahashi 2017-09-05
9743163 Loudspeaker unit — 2017-08-22
9599445 Machine tool including affected layer detection sensor Naomasa Mukaide 2017-03-21
9417553 Image forming apparatus Tasuku Sugimoto, Hironori Hirata 2016-08-16
9386376 Speaker assembly for a high-temperature environment Arata Tada 2016-07-05
9030678 Recording system, recording apparatus, and option device — 2015-05-12

Nearby-Ranked Inventors

Gurmeet Singh Bhutani41
Keith Alan Bowman41
Devran Albay41
Kevin Owen41
Berend Eling41
Tomohiro Nezuka41
Ta-Wei Lin41
Qiang Zhang41
Adriaan J. Kuyler41