HS

Hiroshi Sugai

HI Hitachi: 8 patents #5,191 of 28,497Top 20%
Canon: 4 patents #10,118 of 19,416Top 55%
MS Morita Seisakusho: 4 patents #19 of 109Top 20%
SE Seiko Epson: 2 patents #4,555 of 7,774Top 60%
SC Sumitomo Metal Mining Co.: 2 patents #253 of 736Top 35%
NC N.E. Chemcat: 1 patents #64 of 136Top 50%
HC Hitachi Keiyo Engineering Co.: 1 patents #46 of 115Top 40%
DC Dai-Ichi Kogyo Seiyaku Co.: 1 patents #153 of 288Top 55%
Overall (All Time): #197,710 of 4,157,543Top 5%
22
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
8221553 Method for producing organic light-emitting device Kumiko Kaneko, Nozomu Izumi, Koichi Matsuda, Yukito Aota 2012-07-17
8167972 Process for producing metal nanoparticle and metal nanoparticle produced by the process Takashi Ito, Masato Watanabe 2012-05-01
7632704 Manufacturing method for organic electronic element and manufacturing apparatus therefor Masahiro Kanai 2009-12-15
6926934 Method and apparatus for deposited film Atsushi Koike, Yukito Aota, Masahiro Kanai 2005-08-09
6397775 Deposited film forming system and process Hitomi Sano, Masahiro Kanai, Atsushi Koike 2002-06-04
5821614 Card type semiconductor device Nobuaki Hashimoto, Norio Nakamura, Hiroyuki Suemori, Norio Imaoka, Kazuyoshi Noake 1998-10-13
5200678 Motor driving control apparatus Mutuo Tokashiki, Kazumasa Sugiyama, Sumio Kobayashi, Kazuyuki Nakagawa 1993-04-06
5019773 Method and apparatus for detecting positions and/or speed of a moving body using two phase signals Yasuyuki Sugiura, Rika Oue, Kunio Miyashita, Hiroshi Nagase, Nobuyoshi Mutoh +1 more 1991-05-28
4955817 Construction for removing electronic charges in connectors 1990-09-11
4922175 Position/speed detection method and apparatus Yasuyuki Sugiura, Mitsuru Watabe, Shigeki Morinaga, Kunio Miyashita 1990-05-01
4891163 Method of processing nuclear fuel scraps Cyuzaburo Tanaka, Teruyoshi Yazama, Yoshiki Miyajima, Masaharu Kashiwa 1990-01-02
4863754 Moist pellet feed for breeding fish Masahisa Ibuki, Masanori Wakui 1989-09-05
4808933 Rotating speed measuring apparatus having a corrector for low and high speeds using angle and frequency transducers Sumio Kobayashi, Mutsuo Tokashiki, Hiroyuki Tomita, Tadashi Okawa 1989-02-28
4788482 Position correcting control system for servomechanism device Kyozo Tachibana, Toshihiko Sakai, Hisaaki Hirabayashi, Koichi Sugimoto, Hisakazu Ninomiya 1988-11-29
4748359 Permanent magnet rotor with sinusoidal flux pattern Masataka Yahara, Goro Urayama, Yoshiomi Joujima 1988-05-31
4733070 Rotational information output device Tadashi Ookawa, Hiroyuki Tomita, Masataka Yahara, Masaharu Muramatu, Sumio Kobayashi +1 more 1988-03-22
4642203 Method of treating low-level radioactive waste Ichiro Matsunaga 1987-02-10
4516065 Control apparatus for AC motors Hisakazu Ninomiya, Satoshi Ibori, Hiroshi Nagase, Sadayuki Igarashi 1985-05-07
4326846 Dental handpiece Shoji Nakayama 1982-04-27
4218216 Method of lubricating dental hand-piece and small-sized oiler for use therein Haruo Ogawa 1980-08-19
4209293 Air bearing for a dental handpiece Shoji Nakayama 1980-06-24
4189836 Chuck for dental hand-piece Haruo Ogawa 1980-02-26