HK

Hiroshi Kusumoto

MC Mita Industrial Co.: 18 patents #19 of 891Top 3%
Ricoh Company: 5 patents #3,664 of 9,818Top 40%
HI Hitachi: 5 patents #7,555 of 28,497Top 30%
Canon: 4 patents #10,118 of 19,416Top 55%
KS Kyocera Document Solutions: 2 patents #1,010 of 1,545Top 70%
KM Kyocera Mita: 2 patents #289 of 763Top 40%
PA Panasonic: 1 patents #13,264 of 21,108Top 65%
HS Hitachi Global Life Solutions: 1 patents #8 of 26Top 35%
HH Hitachi High-Technologies: 1 patents #1,282 of 1,917Top 70%
BK Babcock-Hitachi K.K.: 1 patents #20 of 70Top 30%
Overall (All Time): #81,625 of 4,157,543Top 2%
39
Patents All Time

Issued Patents All Time

Showing 1–25 of 39 patents

Patent #TitleCo-InventorsDate
12385679 Refrigerant quantity diagnosis device, refrigerant system, and refrigerant quantity diagnosis method Yoko Kokugan, Keiko Oka, Hisae Shibuya, Noriyuki Tokura, Norikazu Sasaki +2 more 2025-08-12
10989428 Performance diagnosis device and performance diagnosis method for air conditioner Yoko Kokugan, Tatsuo Fujii 2021-04-27
10792707 Sorting device Naoya Miyaji, Shingo Hamada, Hiroshi Nagayasu 2020-10-06
10245527 Solid-liquid separation device Tadashi Sano, Michiharu WATANABE, Mitsuhiro Matsuzawa 2019-04-02
10197331 Solid-liquid separation system Yoko Kokugan, Tadashi Sano, Michiharu WATANABE, Mitsuhiro Matsuzawa 2019-02-05
9904865 Setting apparatus which sets a detection region for a detection process 2018-02-27
9104151 Fixing device and image forming apparatus 2015-08-11
8998413 Measurement apparatus, ophthalmologic imaging apparatus, control method, and storage medium 2015-04-07
8947751 Image reading device and image forming apparatus Tatsuaki Nagano, Yohei Osanai, Satoshi Narai, Masafumi Kishi, Toshiyuki HORIKAWA 2015-02-03
8811836 Image forming apparatus 2014-08-19
7954661 Transport container, transporting method for the same, and constant temperature transport container Mari Uchida, Hiroaki Matsushima 2011-06-07
7715062 Image reading apparatus and recording apparatus including image reading apparatus Tatsuaki Nagano, Masashi Kohchi, Hiroshi Kubo, Akira Hirose, Masahiro Taniuchi +1 more 2010-05-11
7509799 Engine exhaust gas treatment system and exhaust gas treatment process Kiyoshi Amou, Makoto Yamakado, Masami Nagano, Ikuhisa Hamada, Toshifumi Mukai +1 more 2009-03-31
7312849 Substrate alignment apparatus and method, and exposure apparatus 2007-12-25
7136165 Substrate alignment apparatus and method, and exposure apparatus 2006-11-14
6430388 Image forming machine having finisher for different length sheets Yasuyuki Hirai, Kiyonori Yamamoto, Yukio Hashimoto 2002-08-06
6371479 Switchback device for use in image forming apparatus Toshiyuki Osaka, Naoki Motobayashi, Hiromichi Oguma, Hideaki Kimata, Yasunori Ueno 2002-04-16
6206658 Organic substance processing system and organic substance processing apparatus Akira Nishioka, Keiji Sasao, Hiroshige Kikuchi, Takao Sato, Ryuichi Kaji +3 more 2001-03-27
5418603 Image forming apparatus capable of evaluating image forming performance Daisuke Hayashi, Hideki Ishida, Shoichi Kitagawa, Takashi Nagashima, Mitsugu Miyamoto 1995-05-23
5392099 Image forming apparatus having cleaning member for cleaning charging wire Daisuke Hayashi, Hideki Ishida, Shoichi Kitagawa, Mitsugu Miyamoto 1995-02-21
5339137 Image forming apparatus Daisuke Hayashi, Hideki Ishida, Shoichi Kitagawa, Takashi Nagashima, Mitsugu Miyamoto 1994-08-16
5327198 Movement hampering device for an exposure apparatus Shoichi Kitagawa, Mitsugu Miyamoto, Daisuke Hayashi, Hideki Ishida 1994-07-05
5319419 Scanning system driving device Hideki Ishida, Mitsugu Miyamoto, Shoichi Kitagawa, Takashi Nagashima, Daisuke Hayashi 1994-06-07
5251039 System for reciprocating optical units of different speeds in opposite directions by use of two motors Hideki Ishida 1993-10-05
5249019 Feed roller for mixing and feeding a powder Hideki Ishida, Naruyuki Miyamoto, Yoshifumi Ishii, Shoichi Kitagawa 1993-09-28