HS

Hiroyuki Sugimoto

Ricoh Company: 24 patents #864 of 9,818Top 9%
SC Sumitomo Chemical: 14 patents #299 of 4,033Top 8%
SE Seiko Epson: 12 patents #1,551 of 7,774Top 20%
HI Hitachi: 5 patents #7,555 of 28,497Top 30%
SC Shinagawa Refractories Co.: 5 patents #9 of 162Top 6%
SO Sony: 4 patents #8,966 of 25,231Top 40%
UN Unknown: 3 patents #7,366 of 83,584Top 9%
Mazda Motor: 3 patents #1,256 of 4,755Top 30%
SK Showa Denko K.K.: 3 patents #463 of 1,736Top 30%
Kyocera: 2 patents #1,365 of 3,732Top 40%
RK Riso Kagaku: 2 patents #230 of 551Top 45%
OM Okamura Oil Mill: 1 patents #8 of 16Top 50%
IJ Ishikawajima-Harima Jukogyo: 1 patents #170 of 494Top 35%
NS Nippon Sanso: 1 patents #107 of 243Top 45%
NC Nippon Kokan Co.: 1 patents #290 of 735Top 40%
AT Agency Of Industrial Science And Technology: 1 patents #568 of 1,778Top 35%
WK Wakunaga Seiyaku Kabushiki Kaisha: 1 patents #36 of 78Top 50%
Overall (All Time): #26,873 of 4,157,543Top 1%
73
Patents All Time

Issued Patents All Time

Showing 1–25 of 73 patents

Patent #TitleCo-InventorsDate
12257850 Circulation device Daisuke Hozumi 2025-03-25
11850868 Circulation device Daisuke Hozumi 2023-12-26
8864290 Installing fluid container in fluid ejection device Tatsuro Osawa 2014-10-21
8534806 Installing fluid container in fluid ejection device Tatsuro Osawa 2013-09-17
8240820 Installing fluid container in fluid ejection device Tatsuro Osawa, Etsuo Tsuji, Masayuki Horikawa, Tsutomu Yamamoto 2012-08-14
8235508 Installing fluid container in fluid ejection device Tatsuro Osawa, Etsuo Tsuji, Masayuki Horikawa, Tsutomu Yamamoto 2012-08-07
8162485 Intermediate image formation optical system, image formation device, and methods thereof Atsushi Takaura, Takanobu Osaka, Yasuyuki Takiguchi, Toshiaki Tokita, Kazuhiro Fujita +1 more 2012-04-24
8158020 Liquid crystal element, optical path deflecting element, and image displaying apparatus Yohei Takano, Toshiaki Tokita, Koh Fujimura, Yasuyuki Takiguchi, Yumi Matsuki +2 more 2012-04-17
8141866 Sheet material feeding device and recording apparatus Soshi OKAWA, Akira Nemura, Sho ARUGA 2012-03-27
8136929 Installing fluid container in fluid ejection device Tatsuro Osawa 2012-03-20
8096645 Installing fluid container in fluid ejection device Tatsuro Osawa, Etsuo Tsuji, Masayuki Horikawa, Tsutomu Yamamoto 2012-01-17
8091972 Installing fluid container in fluid ejection device Tatsuro Osawa, Etsuo Tsuji, Masayuki Horikawa, Tsutomu Yamamoto 2012-01-10
8075108 Installing fluid container in fluid ejection device Tatsuro Osawa, Etsuo Tsuji, Masayuki Horikawa, Tsutomu Yamamoto 2011-12-13
7959268 Installing fluid container in fluid ejection device Tatsuro Osawa, Etsuo Tsuji, Masayuki Horikawa, Tsutomu Yamamoto 2011-06-14
7857458 Image display device and image projection device Kazuhiro Fujita, Atsushi Takaura, Yasuyuki Takiguchi, Toshiaki Tokita, Toshiharu Murai +2 more 2010-12-28
7787001 Image processing apparatus, image display apparatus, image processing method, and computer product Kenji Namie, Toshiharu Murai, Toshiaki Tokita, Yasuyuki Takiguchi, Kazuhiro Fujita 2010-08-31
7753531 Image display apparatus and projection optical system Kazuhiro Fujita, Takanobu Osaka, Kazuya Miyagaki, Atsushi Takaura, Masanori Kobayashi +3 more 2010-07-13
7654659 Carriage and liquid ejecting apparatus Kazumasa Harada, Takashi Sato 2010-02-02
7564508 Light path shift device and image display device Toshiaki Tokita, Kazuhiro Fujita, Toshiharu Murai, Yasuyuki Takiguchi, Atsushi Takaura +2 more 2009-07-21
7525601 Image switching apparatus, image switching method, and program recording medium Sensaburo Nakamura, Nobuyuki Minami 2009-04-28
7495831 Optical device, display device, and three-dimension image display device for changing a polarization state of a light beam in time Toshiaki Tokita, Kazuhiro Fujita, Toshiharu Murai, Atsushi Takaura, Kazuya Miyagaki +4 more 2009-02-24
7489383 Optical axis deflecting method, optical axis deflecting element, optical path deflecting unit, method of driving optical axis deflecting element, and image display apparatus Yumi Matsuki, Yukiko Hirano, Kenji Namie, Toshiaki Tokita, Takanobu Osaka +1 more 2009-02-10
7345733 Light deflection element, light deflection device and image display device Toshiaki Tokita, Yumi Matsuki, Shigeaki Nimura, Masanori Kobayashi, Yasuyuki Takiguchi +2 more 2008-03-18
7336411 Spatial light modulator and display device Kazuya Miyagaki, Kazuhiro Fujita, Takanobu Osaka, Atsushi Takaura, Yasuyuki Takiguchi 2008-02-26
7310181 Optical deflection device and optical deflection method that control occurrence of alignment defect Yumi Matsuki, Toshiaki Tokita, Shigeaki Nimura, Masanori Kobayashi, Yasuyuki Takiguchi 2007-12-18