HY

Hajime Yamamoto

Canon: 100 patents #104 of 19,416Top 1%
Sumitomo Electric Industries: 29 patents #524 of 21,551Top 3%
TK Toshiba Tec Kabushiki Kaisha: 28 patents #90 of 1,664Top 6%
BC Benriner Co.: 11 patents #1 of 1Top 100%
HI Hitachi: 11 patents #3,813 of 28,497Top 15%
KT Kabushiki Kaisha Toshiba: 7 patents #4,294 of 21,451Top 25%
NE Nec: 7 patents #2,006 of 14,502Top 15%
NS National Institute For Materials Science: 6 patents #50 of 901Top 6%
MC Mitsubishi Chemical: 6 patents #261 of 3,022Top 9%
ND Nitto Denko: 5 patents #655 of 2,479Top 30%
NI Nikon: 5 patents #754 of 2,493Top 35%
CC Citizen Electronics Co.: 4 patents #74 of 252Top 30%
Nichia: 4 patents #472 of 1,531Top 35%
FL Fujitsu Semiconductor Limited: 4 patents #161 of 1,301Top 15%
FL Fujitsu General Limited: 3 patents #92 of 325Top 30%
KO Kasei Optonix: 3 patents #24 of 142Top 20%
Fujitsu Limited: 2 patents #10,930 of 24,456Top 45%
ST Sandisk Technologies: 2 patents #967 of 2,224Top 45%
PA Panasonic: 1 patents #13,264 of 21,108Top 65%
HC Hitachi Chemical Company: 1 patents #1,071 of 1,946Top 60%
HM Hitachi Medical: 1 patents #371 of 680Top 55%
HC Hokuriku Electric Industry Co.: 1 patents #54 of 104Top 55%
IN Inoac: 1 patents #65 of 232Top 30%
MS Morita Seisakusho: 1 patents #53 of 109Top 50%
KC Koito Manufacturing Co.: 1 patents #610 of 1,047Top 60%
KC Kyoraku Co.: 1 patents #76 of 136Top 60%
SC Sansha Electric Manufacturing Co.: 1 patents #50 of 93Top 55%
TC Tec Co.: 1 patents #45 of 177Top 30%
WT Western Digital Technologies: 1 patents #1,787 of 3,180Top 60%
Overall (All Time): #2,471 of 4,157,543Top 1%
229
Patents All Time

Issued Patents All Time

Showing 201–225 of 229 patents

Patent #TitleCo-InventorsDate
5351115 Color electrophotographic method and apparatus employed therefor Hiroshi Terada 1994-09-27
5303018 Color electrophotographic apparatus Hiroshi Terada 1994-04-12
5298949 Method and apparatus for removing a portion of a developing material deposited on a non-image area of a surface of a latent image carrier Hiroshi Terada 1994-03-29
5282012 Color electronic photographic apparatus with multiple image forming units Hiroshi Terada 1994-01-25
5177401 Phosphor and cathode-ray tube using the same Hidetsugu Matsukiyo, Teruki Suzuki, Yasuhiko Uehara, Yasukazu Morita, Yoshihiro Koseki +5 more 1993-01-05
5162820 Electrophotographic image forming method Yukimasa Kuramoto, Yuji Takashima, Masahiko Nakamura, Kenichi Nakano 1992-11-10
5136446 Apparatus for movably supporting and positioning a transducer Makoto Kuwamoto 1992-08-04
5079115 Color electrophotographic method and apparatus Yuji Takashima 1992-01-07
5066989 Cleaning method for use in copy apparatus and toner used therefor 1991-11-19
5026661 Method of manufacturing zinc chalcogenide semiconductor devices using LP-MOCVD Masahito Migita, Osamu Kanehisa, Masatoshi Shiiki 1991-06-25
5023632 Electrophotographic image forming method Yukimasa Kuramoto, Yuji Takashima, Masahiko Nakamura, Kenichi Nakano 1991-06-11
4949125 Method and apparatus for color electrophotography Kazunori Kitagaki, Masahiko Nakamura 1990-08-14
4927724 Method and apparatus for color electrophotography Yuji Takashima, Kazunori Kitagaki, Masahiko Nakamura 1990-05-22
4862033 Electroluminescent display apparatus having a multi-color illuminant layer and process for producing the same Masahito Migita, Osam Kanehisa, Masatoshi Shiiki 1989-08-29
4845403 Projection type color picture display system having green picture and blue picture producing CRTs with .gamma. coefficients Yasukazu Morito, Yasuhiko Uehara, Hidetsugu Matsukiya, Shuji Inaho, Takashi Hase +1 more 1989-07-04
4824329 Method and apparatus for controlling liquid metal flow Tadashi Gotou, Masanori Yamakawa, Noboru Nakao, Takashi Ikeda 1989-04-25
4809038 Color electrophotographic apparatus and method Yuji Takashima 1989-02-28
4791455 Color electrophotographic apparatus and method of cleaning a photosensitive medium Hidenori Kunishige, Yuji Takashima 1988-12-13
4778740 Color electrophotographic method and apparatus Yuji Takashima 1988-10-18
4766460 Color electrophotographic method Yuji Takashima 1988-08-23
4761774 Optical disc drive apparatus Hiromichi Ishibashi, Shinichi Tanaka, Ryosuke Shimizu, Makoto Kuwamoto 1988-08-02
4733088 Radiation detector Hiromichi Yamada, Yasuo Tsukuda, Atsushi Suzuki, Minoru Yoshida, Kenji Maio +1 more 1988-03-22
4625147 Index type color picture tube Naomitsu Watanabe, Yoshifumi Tomita, Atsushi Suzuki 1986-11-25
4622202 Reactor in-vessel sensor and core monitoring apparatus Izumi Yamada, Mikiyasu Tsunashima 1986-11-11
4613555 Image forming method using electrically conductive, light transmissive particles Hiromu Matsuda, Keiichi Yubakami, Yuji Takashima 1986-09-23