YY

Yasuyoshi Yamaguchi

TL Tokyo Electron Limited: 9 patents #845 of 5,567Top 20%
YC Yanmar Holdings Co.: 5 patents #94 of 636Top 15%
Overall (All Time): #335,868 of 4,157,543Top 9%
14
Patents All Time

Issued Patents All Time

Showing 1–14 of 14 patents

Patent #TitleCo-InventorsDate
12428118 Fuel cell ship Takehiro Maruyama, Takuya Hiraiwa, Manabu Shinagawa, Yukihiko Kimura 2025-09-30
12407005 Fuel cell ship Takuya Hiraiwa, Takehiro Maruyama, Manabu Shinagawa, Yukihiko Kimura 2025-09-02
12401050 Fuel cell ship Takehiro Maruyama, Takuya Hiraiwa, Manabu Shinagawa, Yukihiko Kimura 2025-08-26
12394809 Fuel cell ship Manabu Shinagawa, Takehiro Maruyama, Takuya Hiraiwa, Yukihiko Kimura 2025-08-19
12394810 Fuel cell ship Takehiro Maruyama, Takuya Hiraiwa, Manabu Shinagawa, Yukihiko Kimura 2025-08-19
RE34840 Electrophotographic apparatus with manual and programmable blade cleaner Susumu Matsuda 1995-01-31
5184734 Sheet delivering mechanism 1993-02-09
5155506 Electrophotographic apparatus maintaining exposure device in a fixed relationship to the photosensitive member when paper jams are cleared 1992-10-13
5151742 Fixing device sheet guide apparatus 1992-09-29
5117262 Electrophotographic apparatus with detachable ozone filter mounted near charging device 1992-05-26
5095337 Electrophotographic apparatus having a movable self-scanner 1992-03-10
5073800 Electrophotographic apparatus with manual and programmable blade cleaner Susumu Matsuda 1991-12-17
5049940 Image forming apparatus Yasuhiko Ozawa, Masataka Suzuki, Akira Sato, Yoshinori Asai, Yoshiharu Horii +1 more 1991-09-17
4681422 Paper supply device for an electrostatic photographic printer Harutaro Oba, Yasuhiko Ozawa, Osamu Mimoto 1987-07-21