YS

Yoshiyuki Shimizu

Ricoh Company: 62 patents #126 of 9,818Top 2%
NI Nikon: 9 patents #466 of 2,493Top 20%
HK Hamamatsu Photonics K.K.: 7 patents #297 of 1,436Top 25%
The Procter & Gamble: 6 patents #2,151 of 10,133Top 25%
Sumitomo Electric Industries: 6 patents #4,612 of 21,551Top 25%
NK Nippon Kogaku K.K.: 5 patents #67 of 382Top 20%
FC Fuji Kiko Co.: 5 patents #22 of 208Top 15%
JV Jvckenwood: 4 patents #138 of 736Top 20%
KT Kabushiki Kaisha Toshiba: 3 patents #8,011 of 21,451Top 40%
PA Panasonic: 3 patents #7,617 of 21,108Top 40%
SP Sakai Display Products: 2 patents #82 of 175Top 50%
SU Subaru: 2 patents #413 of 1,436Top 30%
SG Sumita Optical Glass: 2 patents #31 of 59Top 55%
SU Subaru: 1 patents #819 of 1,684Top 50%
TL Toyo Kasei Kogyo Company Limited: 1 patents #26 of 53Top 50%
Sharp Kabushiki Kaisha: 1 patents #6,861 of 10,731Top 65%
Overall (All Time): #10,358 of 4,157,543Top 1%
118
Patents All Time

Issued Patents All Time

Showing 26–50 of 118 patents

Patent #TitleCo-InventorsDate
9280130 Developer container, developing device, process unit, and image forming apparatus Tomohiro Kubota, Naoki Nakatake, Shoh Tsuritani, Manabu Hamada, Masato Tsuji +1 more 2016-03-08
9268300 Process unit including a rotatable shaft along a driving force vector and image forming apparatus including the same Hirobumi Ooyoshi, Manabu Hamada 2016-02-23
9239565 Powder container, developing unit, process unit, and image forming apparatus incorporating same Shoh Tsuritani, Tomohiro Kubota, Manabu Hamada, Masato Tsuji 2016-01-19
9221436 Vehicle brake pressure controller 2015-12-29
9176419 Developer container, developing device, process unit, and image forming apparatus Tomohiro Kubota, Naoki Nakatake, Shoh Tsuritani, Manabu Hamada, Masato Tsuji +1 more 2015-11-03
9147673 Semiconductor power converter and method of manufacturing the same Hideo Nishiuchi, Kazuhiro Ueda, Takayuki Masunaga, Naotake Watanabe, Takashi Togasaki +1 more 2015-09-29
9141028 Image forming apparatus and developer container, developing device, process unit, and replaceable unit therefor Shoh Tsuritani, Manabu Hamada, Tomohiro Kubota 2015-09-22
9069284 Image forming apparatus and powder transport unit Tomohiro Kubota, Shoh Tsuritani, Manabu Hamada, Masato Tsuji, Masanari Fujita +1 more 2015-06-30
9061585 Cooling air introduction apparatus for vehicle Yuji Fujiu, Atsushi Koizumi, Shiro Hasegawa 2015-06-23
9042745 Developer amount detector, image forming apparatus incorporating same, and positioning structure for positioning unit within image forming apparatus Tomofumi Yoshida, Tomohiro Kubota 2015-05-26
D724655 Powder container Tomohiro Kubota, Sho Tsuritani, Emi Kita, Manabu Hamada, Masato Tsuji +1 more 2015-03-17
D723099 Powder container Tomohiro Kubota, Sho Tsuritani, Emi Kita, Manabu Hamada, Masato Tsuji +1 more 2015-02-24
8961483 Individually packaged absorbent article by wrapper sheet Akane Matsuo, Sachiko Ninomiya, Tsunetoshi Miura 2015-02-24
8903283 Shutter assembly, powder container, cleaning device, and image forming apparatus Manabu Hamada, Masanari Fujita, Masato Tsuji, Tomohiro Kubota, Shoh Tsuritani 2014-12-02
8872327 Semiconductor device Takayuki Masunaga, Kazuhiro Ueda, Naotake Watanabe, Hideo Nishiuchi, Takashi Togasaki +1 more 2014-10-28
8861991 Developer amount detector, and developer container, development device, and image forming apparatus incorporating same Tomohiro Kubota, Naoki Nakatake, Hirobumi Ooyoshi, Tomofumi Yoshida, Manabu Hamada +1 more 2014-10-14
D712463 Powder container Tomohiro Kubota, Sho Tsuritani, Emi Kita, Manabu Hamada, Masato Tsuji +1 more 2014-09-02
8811859 Developer container, development device, process unit, and image forming apparatus Shoh Tsuritani, Masanari Fujita, Tomohiro Kubota, Naoki Nakatake 2014-08-19
8805214 Image forming apparatus Masanari Fujita, Kenji Nakamura, Tomohiro Kubota, Masato Tsuji, Shoh Tsuritani 2014-08-12
8792808 Developer container, developing device, process unit, and image forming apparatus Tomohiro Kubota, Naoki Nakatake, Shoh Tsuritani, Manabu Hamada, Masato Tsuji +1 more 2014-07-29
8774683 Development device, developer container, and image forming apparatus Tomohiro Kubota, Naoki Nakatake, Shoh Tsuritani 2014-07-08
8768203 Image forming apparatus capable of effectively utilizing interior space Manabu Hamada, Tomofumi Yoshida, Hirobumi Ooyoshi, Takeru Muramatsu, Tomohiro Kubota +6 more 2014-07-01
8744321 Developer container, developing device, process unit, and image forming apparatus Tomohiro Kubota, Naoki Nakatake, Shoh Tsuritani, Manabu Hamada, Masato Tsuji +1 more 2014-06-03
8712310 Image forming apparatus and control method therefor Takafumi Miyazaki, Kozo Yamazaki, Hideyuki Masumoto, Tatsuya Miyadera 2014-04-29
8676294 Brain disease diagnosis system Akihiro Kakimoto, Tsuyoshi Kosugi, Hiroyuki Okada 2014-03-18