KO

Katsuhiko Okamoto

GI Gs Yuasa International: 10 patents #41 of 491Top 9%
KS Kyocera Document Solutions: 7 patents #485 of 1,545Top 35%
KM Kyocera Mita: 2 patents #289 of 763Top 40%
TO Toshiba: 2 patents #606 of 2,688Top 25%
Overall (All Time): #206,969 of 4,157,543Top 5%
21
Patents All Time

Issued Patents All Time

Showing 1–21 of 21 patents

Patent #TitleCo-InventorsDate
11526126 Image forming apparatus 2022-12-13
10714715 Electric storage device Masakazu Tsutsumi, Hajime Kawamoto, Shinsuke Yoshitake, Takuma Tonari, Jun Nakamura +1 more 2020-07-14
9929386 Battery assembly Shinsuke Yoshitake, Jun Nakamura, Takeshi Sasaki 2018-03-27
9685643 Electric storage device Shinsuke Yoshitake, Jun Nakamura, Masakazu Tsutsumi, Nobuyuki Naganawa 2017-06-20
9438752 Image reading device and image forming apparatus for detecting dirt at a document reading position 2016-09-06
9379372 Battery and method of manufacturing the same Takeshi Sasaki, Kazuhide Tozuka, Masakazu Tsutsumi 2016-06-28
9223272 Image forming apparatus Hitoshi Asaka, Hiroki Matsui 2015-12-29
9188734 Light guide and illumination device 2015-11-17
9191541 Illumination device and image reading device 2015-11-17
9118051 Battery and method of manufacturing the same Takeshi Sasaki, Kazuhide Tozuka, Masakazu Tsutsumi 2015-08-25
9023507 Battery assembly and method of manufacturing the same Shinsuke Yoshitake, Jun Nakamura, Takeshi Sasaki 2015-05-05
8828589 Battery and method of manufacturing same Kazuhide Tozuka, Masakazu Tsutsumi, Yoshinori Tanaka, Shinsuke Yoshitake, Takeshi Sasaki 2014-09-09
8755092 Image reading apparatus illuminating a document with point light source and image forming apparatus 2014-06-17
8748034 Battery including baffling member including one of projecting portion and recessed portion extending from lid plate Takeshi Sasaki, Kazuhide Tozuka, Masakazu Tsutsumi 2014-06-10
8632912 Battery including baffling member and sealing material that seals auxiliary terminal to lid plate Masakazu Tsutsumi, Shinsuke Yoshitake, Takeshi Sasaki 2014-01-21
8598471 Electric storage device Shinsuke Yoshitake, Jun Nakamura, Masakazu Tsutsumi, Nobuyuki Naganawa 2013-12-03
8385781 Image reading device and image forming apparatus including the same 2013-02-26
8325392 Image reading device and image forming device Hirotoshi Tagawa, Masahiro Higashitani, Yasuyuki Horiguchi, Kei Ouchi, Sou Takahashi 2012-12-04
8194294 Image reading device and image forming device Hirotoshi Tagawa, Masahiro Higashitani, Yasuyuki Horiguchi, Kei Ouchi, Sou Takahashi 2012-06-05
4386841 Image-forming device having a photosensitive member Nobutaka Wakao, Reiji Murakami, Kohachi Uchida 1983-06-07
4376577 Electrostatic copying apparatus 1983-03-15