HM

Hiroyoshi Matsumoto

Ricoh Company: 18 patents #1,197 of 9,818Top 15%
HS Hitachi Printing Solutions: 2 patents #23 of 99Top 25%
TO Toyota: 2 patents #10,861 of 26,838Top 45%
HI Hitachi: 1 patents #17,742 of 28,497Top 65%
HC Hitachi Koki Co.: 1 patents #557 of 888Top 65%
RS Ricoh Printing Systems: 1 patents #97 of 200Top 50%
Overall (All Time): #157,218 of 4,157,543Top 4%
25
Patents All Time

Issued Patents All Time

Showing 1–25 of 25 patents

Patent #TitleCo-InventorsDate
12409659 Maintenance method and liquid discharge apparatus 2025-09-09
12202278 Printer 2025-01-21
10714781 Moving body Makoto Takeyama 2020-07-14
10550514 Cloth heating apparatus, cloth heating method, method of applying image to cloth, medium heating apparatus 2020-02-04
10308058 Printing system, printing apparatus, and printed-matter production method Junji Nakai, Masakazu Yoshida, Toshitaka Osanai 2019-06-04
10279604 Printing apparatus and printed material manufacturing method Junji Nakai, Masakazu Yoshida, Souichi Nakazawa, Tatsuro Watanabe, Hiroyuki Hiratsuka +1 more 2019-05-07
10105966 Treatment-target modification device, treatment-target modification system, image forming system, and image forming method Tohru Ohshima 2018-10-23
9873266 Printing apparatus and printed material manufacturing method Junji Nakai, Masakazu Yoshida, Souichi Nakazawa, Tatsuro Watanabe, Hiroyuki Hiratsuka +1 more 2018-01-23
9789755 Electric vehicle Tetsuji Aishima, Shigeaki Murata 2017-10-17
9764565 Printing apparatus, printing system, and printing method Junji Nakai 2017-09-19
9738101 Printing system, printing apparatus, and printed-matter production method Junji Nakai, Masakazu Yoshida, Toshitaka Osanai 2017-08-22
9643429 Processing object modifying apparatus, printing apparatus, printing system, and method for manufacturing printout Junji Nakai 2017-05-09
9623677 Printing apparatus and printed material manufacturing method Junji Nakai, Masakazu Yoshida, Souichi Nakazawa, Tatsuro Watanabe, Hiroyuki Hiratsuka +1 more 2017-04-18
9449798 Plasma processing device, printing apparatus, printing system, computer program product, and method for manufacturing printed material Junji Nakai 2016-09-20
9427976 Printing apparatus, printing system, and printed material manufacturing method Junji Nakai 2016-08-30
9403382 Printing apparatus, printing system, and printed material manufacturing method Toshitaka Osanai, Masakazu Yoshida, Junji Nakai 2016-08-02
9278548 Printing system, printing apparatus, and printed-matter production method Junji Nakai, Masakazu Yoshida, Toshitaka Osanai 2016-03-08
9259924 Printing apparatus and printed material manufacturing method Junji Nakai, Masakazu Yoshida, Souichi Nakazawa, Tatsuro Watanabe, Hiroyuki Hiratsuka +1 more 2016-02-16
9227430 Processing object modifying apparatus, printing apparatus, printing system, and method for manufacturing printout Junji Nakai 2016-01-05
7844205 Image forming apparatus 2010-11-30
7406287 Fixing device and image forming apparatus provided with fixing device Toshio Ogiso, Shigeru Obata, Masahiro Yagi, Chikara Hiraoka, Chiharu Kamoshida 2008-07-29
6829449 Image forming apparatus with transfer bias inverting function Teruaki Mitsuya, Tsuneaki Kawanishi, Hisao Okada, Natsuki Kuribayashi, Masayoshi Ishii +1 more 2004-12-07
6813462 Electro-photographic developing unit Teruaki Mitsuya, Tsuneaki Kawanishi, Masayoshi Ishii, Hisao Okada, Keisuke Kubota +1 more 2004-11-02
5923933 Electrophotographic apparatus Masayasu Anzai, Tsuneaki Kawanishi, Yoshitaka Fujinuma, Yasuo Takuma, Hisao Okada +7 more 1999-07-13
5170304 Device for cleaning rotary magnetic head of magnetic recording and reproducing device and method of controlling same Noboru Katohno, Takeo Ohkouchi 1992-12-08