Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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Akihiro Yamamura — 68 Patents

ODOki Data: 34 patents #5 of 635Top 1%
Mitsubishi Electric: 22 patents #842 of 25,717Top 4%
Panasonic: 8 patents #3,332 of 21,108Top 20%
OCOki Electric Industry Co.: 2 patents #947 of 2,807Top 35%
MDMitsubisih Denki: 1 patents #26 of 381Top 7%
Osaka, JP: #293 of 24,344 inventorsTop 2%
Overall (All Time): #30,786 of 4,157,543Top 1%
68 Patents All Time
Akihiro Yamamura has been granted 68 US patents while listed as an inventor at Oki Data. The first was granted in 2003 and the most recent in January 2025. Akihiro Yamamura ranks #30,786 of 4,157,543 US inventors in our database (top 0.74%). Patent records list Akihiro Yamamura in Osaka, JP.

Issued Patents All Time

Showing 1–25 of 68 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
12203782 Proximity sensor, control system, and equipment Kota Araki, Kenji Shibata 2025-01-21
11977707 Touch sensor Hiromitsu Niwa, Kota Araki, Hiroaki Nishiono 2024-05-07
11485092 Joining body Yoshiki Kuwahara, Ryuichi KITORA, Shogo Okamoto, Masashi Nakamura, Shinichiro Yoshida 2022-11-01
11316395 Method of manufacturing armature coil Koji Tamura, Shuichi Tamura, Issei Doi, Hiroyuki Matsuo, Yasukazu Nishimura +2 more 2022-04-26
11199650 Lens unit, exposure device, reading head, image forming apparatus, and image reading apparatus Masamitsu Nagamine, Ren Nakamichi 2021-12-14
11194079 Lens unit, exposure device, LED head, image forming apparatus, and scanning device 2021-12-07
10666111 Rotary electric machine Naoki Ohashi, Shoichiro Nishitani, Keisuke Murase 2020-05-26
10644556 Method of manufacturing armature coil Koji Tamura, Shuichi Tamura, Issei Doi, Hiroyuki Matsuo, Yasukazu Nishimura +2 more 2020-05-05
10591842 Lens array, lens unit, exposure device, LED head, and image forming apparatus 2020-03-17
10576690 Joining method, joining body, stator for dynamo-electric machine, and method for manufacturing stator for dynamo-electric machine Yoshiki Kuwahara, Ryuichi KITORA, Shogo Okamoto, Masashi Nakamura, Shinichiro Yoshida 2020-03-03
10498202 Manufacturing method for rotor for rotary electric machine Hirohisa Yokota, Yoshinobu Sugimoto, Shinji Sano 2019-12-03
10491059 Rotating electric machine including swaging portions for steel sheets of stator core Tadashi Murakami, Naomi Kikuchi, Atsushi Sakaue, Tatsuro Hino, Shogo Okamoto +2 more 2019-11-26
10356270 Lens unit, LED head, exposure device, and image formation apparatus 2019-07-16
10338279 Lens array having lenses arranged in rows, lens unit, exposure device, LED head, and image forming apparatus 2019-07-02
10333360 Iron core member with divided yoke and tooth portions with V-shaped end joint portions Tatsuro Hino, Akira Hashimoto, Masaya Inoue, Shogo Okamoto, Atsushi Sakaue +1 more 2019-06-25
10298083 Rotating electrical machine equipped with a stator having a bus bar wrapped with insulation sheet/layers Shogo Okamoto, Masashi Nakamura, Yasuhiro Hayasaka, Sho Nakano, Yoshiaki Kitta +1 more 2019-05-21
10263486 Rotary electric machine stator Masashi Nakamura, Shinkichi Sawa, Masaya Inoue 2019-04-16
10175604 Lens unit, light-exposure apparatus, and image forming apparatus 2019-01-08
10075036 Rotor for rotary electric machine having ridge-shaped convex portions and concave portions to secure a press-fitted shaft Akihiko Morikawa, Kazuhisa Takashima, Toshihiro Matsunaga, Masayuki Miyaoka, Hiroki Maeda 2018-09-11
10063118 Stator for rotary electric machine Shinichiro Yoshida, Michiya Yasui, Toshiyuki Sugai, Shuichi Tamura, Yuki Yamamoto +1 more 2018-08-28
10056799 Rotating electric machine Shogo Okamoto, Ken NISHIKAWA, Masashi Nakamura, Kota HIROHASHI, Yoshiki Kuwahara 2018-08-21
10001720 Exposure unit, image forming unit, and image forming apparatus 2018-06-19
9960650 Armature coil and method of manufacturing the same Koji Tamura, Shuichi Tamura, Issei Doi, Hiroyuki Matsuo, Yasukazu Nishimura +2 more 2018-05-01
9893594 Armature of rotating electrical machine and method for manufacturing same Shinichiro Yoshida, Shuichi Tamura, Masaya Inoue, Koichi Ojima, Shogo Okamoto +1 more 2018-02-13
9776427 Exposure device and image forming apparatus Eisuke Kuroki 2017-10-03