KI

Kenji Ishii

Ricoh Company: 168 patents #4 of 9,818Top 1%
MC Mitsubishi Gas Chemical Company: 33 patents #12 of 1,727Top 1%
Canon: 19 patents #3,464 of 19,416Top 20%
ND Ntt Docomo: 14 patents #207 of 1,706Top 15%
DI Daikin Industries: 11 patents #295 of 2,957Top 10%
KC Kyoraku Co.: 9 patents #14 of 136Top 15%
Mitsubishi Electric: 8 patents #3,714 of 25,717Top 15%
HI Hitachi: 6 patents #6,582 of 28,497Top 25%
TO Toyota: 2 patents #10,861 of 26,838Top 45%
Fujitsu Limited: 2 patents #10,930 of 24,456Top 45%
HC Hitachi Koki Co.: 2 patents #413 of 888Top 50%
MC Mcafee: 2 patents #495 of 1,127Top 45%
NE Nec: 2 patents #5,510 of 14,502Top 40%
NT Networks Associates Technology: 2 patents #41 of 189Top 25%
NL Nihon Dixie Company Limited: 2 patents #3 of 6Top 50%
SK Showa Denko K.K.: 2 patents #639 of 1,736Top 40%
NB Nohmi Bosai: 1 patents #51 of 90Top 60%
CA Cerberus Ag: 1 patents #50 of 98Top 55%
SC Simotec Co.: 1 patents #5 of 23Top 25%
KC Koito Seisakusho Co.: 1 patents #26 of 66Top 40%
NK Nohmi Bosai Kogyo Kabushiki Kaisha: 1 patents #8 of 22Top 40%
📍 Yokohama, JP: #11 of 480 inventorsTop 3%
Overall (All Time): #1,481 of 4,157,543Top 1%
286
Patents All Time

Issued Patents All Time

Showing 1–25 of 286 patents

Patent #TitleCo-InventorsDate
12411393 Electronic apparatus and accessory Hiromichi Sakamoto, Kei Tohyama, Takayuki Shu, Hiromi Hayasaki, Kouji Ikeda +2 more 2025-09-09
12399418 Electronic apparatus and accessory Kouji Ikeda, Kei Tohyama, Hiromichi Sakamoto, Takayuki Shu, Hiromi Hayasaki +2 more 2025-08-26
12399417 Electronic apparatus and accessory Hiromi Hayasaki, Kei Tohyama, Hiromichi Sakamoto, Takayuki Shu, Kouji Ikeda +2 more 2025-08-26
12393102 Electronic apparatus and accessory Hiromichi Sakamoto, Kei Tohyama, Takayuki Shu, Hiromi Hayasaki, Kouji Ikeda +2 more 2025-08-19
12347970 Shoe apparatus, accessory, accessory shoe apparatus, and electronic apparatus Yoshinobu Okano, Hiromichi Sakamoto, Takayuki Shu, Hiromi Hayasaki, Kouji Ikeda +2 more 2025-07-01
12313956 Electronic apparatus and accessory Hiromichi Sakamoto, Kei Tohyama, Takayuki Shu, Hiromi Hayasaki, Kouji Ikeda +2 more 2025-05-27
12291907 Living hinge formed by compressed material Kazuo Waki, Sho Nakajima 2025-05-06
12282276 Image forming method and image forming apparatus Yohhei Watanabe, Kaori Hemmi 2025-04-22
12261624 Error correction coding apparatus and error correction decoding apparatus Hideo Yoshida, Tsuyoshi Yoshida, Yoshiaki Konishi 2025-03-25
12167565 Image capturing apparatus Kentaro Watanabe, Takashi Yoshida 2024-12-10
12082339 Image pickup apparatus Kentaro Watanabe, Takashi Yoshida 2024-09-03
12066751 Shoe apparatus, accessory, accessory shoe apparatus, and electronic apparatus Yoshinobu Okano 2024-08-20
11901913 Error correction coding apparatus and error correction decoding apparatus Hideo Yoshida, Tsuyoshi Yoshida, Yoshiaki Konishi 2024-02-13
11886099 Electronic apparatus and accessory Hiromichi Sakamoto, Kei Tohyama, Takayuki Shu, Hiromi Hayasaki, Kouji Ikeda +2 more 2024-01-30
11841609 Electronic apparatus with accessory shoe device and accessory attachable to accessory shoe device Yoshinobu Okano, Yuichi Ariga 2023-12-12
11841606 Accessory shoe apparatus, electronic apparatus, shoe apparatus and accessory apparatus Natsumi Sekiguchi, Yoshinobu Okano 2023-12-12
11796898 Electronic apparatus and accessory Yuhei Hattori, Hiromichi Sakamoto, Kei Tohyama, Takayuki Shu, Hiromi Hayasaki +2 more 2023-10-24
11750216 Decoding apparatus, control circuit, and storage medium Hideo Yoshida 2023-09-05
11736127 Optical transmission device and likelihood generation circuit Yoshiaki Konishi, Hideo Yoshida, Takashi Sugihara, Tsuyoshi Yoshida 2023-08-22
11696007 Imaging apparatus Takashi Yoshida, Koji Tamura 2023-07-04
11656535 Shoe device and accessory having shoe device Yoshinobu Okano, Keita Hirayama 2023-05-23
11637950 Image capturing apparatus Takashi Yoshida, Koji Tamura 2023-04-25
11601573 Image pickup apparatus having a structure for dissipating heat Koji Tamura, Takashi Yoshida 2023-03-07
11522562 Error correcting decoding device and error correcting decoding method Hideo Yoshida, Yoshiaki Konishi, Takashi Sugihara 2022-12-06
11095309 Error correction decoding device and optical transmission/reception device Kazuo Kubo, Kenya Sugihara, Hideo Yoshida 2021-08-17