KI

Koji Ishikawa

Canon: 16 patents #4,160 of 19,416Top 25%
NC Nhk Spring Co.: 6 patents #115 of 1,116Top 15%
HC Hitachi Construction Machinery Co.: 5 patents #242 of 1,234Top 20%
TU Tohoku University: 4 patents #157 of 1,680Top 10%
FC Furukawa Techno Material Co.: 4 patents #5 of 42Top 15%
Fujitsu Limited: 4 patents #7,093 of 24,456Top 30%
FC Furukawa Electric Co.: 4 patents #473 of 2,370Top 20%
FL Fujitsu Component Limited: 2 patents #169 of 281Top 65%
TC Toagosei Co.: 2 patents #80 of 338Top 25%
KC Kanken Techno Co.: 1 patents #5 of 19Top 30%
MI Mitsui Toatsu Chemicals, Incorporated: 1 patents #880 of 1,543Top 60%
NE Nec: 1 patents #7,889 of 14,502Top 55%
MS Meiki Seisakusho: 1 patents #29 of 62Top 50%
NC Nihon Plast Co.: 1 patents #119 of 253Top 50%
NI Nippon Instruments: 1 patents #3 of 11Top 30%
Nsk: 1 patents #937 of 1,559Top 65%
OC Olympus Optical Co.: 1 patents #1,517 of 2,334Top 65%
OM Omron: 1 patents #1,808 of 3,089Top 60%
HI Hitachi: 1 patents #17,742 of 28,497Top 65%
HO Horiba: 1 patents #319 of 604Top 55%
UN Unknown: 1 patents #29,356 of 83,584Top 40%
KC Kaken Co.: 1 patents #3 of 30Top 10%
Overall (All Time): #60,221 of 4,157,543Top 2%
47
Patents All Time

Issued Patents All Time

Showing 26–47 of 47 patents

Patent #TitleCo-InventorsDate
7942677 Conductive contact and conductive contact unit Taiichi Rikimaru, Jun Tominaga 2011-05-17
7928033 Catalyst for reducing mercury, a mercury conversion unit, and an apparatus for measuring total mercury in combustion exhaust gas by using the same Shigeyuki Akiyama, Junji Kato, Fujio Koga 2011-04-19
7866986 Conductive contact unit and conductive contact Taiichi Rikimaru, Jun Tominaga 2011-01-11
7789707 Conductive contact unit Jun Tominaga, Taiichi Rikimaru 2010-09-07
7772542 Imaging apparatus having photoelectric conversion unit with position adjustment plate 2010-08-10
7740822 Method for purification of disilicon hexachloride and high purity disilicon hexachloride Hiroshi Suzuki, Yoshinori Kimata 2010-06-22
7637783 Contact member having multiple contact parts and connector including same Chiharu Sasaoka, Hideo Miyazawa, Mitsuru Kobayashi, Koki Sato, Akira Tamura +1 more 2009-12-29
7629669 Semiconductor apparatus Kazutaka Mori, Hiroshige Kogayu, Tamotsu Miyake, Mitsugu Kusunoki 2009-12-08
7612333 Imaging apparatus and photoelectric conversion element package retaining unit 2009-11-03
7487609 Hydraulic circuit device of hydraulic working machine Tsuyoshi Nakamura, Tsukasa Toyooka, Masao Nishimura 2009-02-10
7445456 Printed circuit board 2008-11-04
7362933 Optical branching unit Fumio Takahashi, Norihiro Tajima 2008-04-22
7014487 Connector capable of preventing abrasion 2006-03-21
6654064 Image pickup device incorporating a position defining member 2003-11-25
6206801 Continuously variable transmission Hiroyuki Ito, Hisashi Machida, Nobuo Goto, Makoto Fujinami, Hiroshi Kato 2001-03-27
5877553 Metallic electronic component packaging arrangement Osamu Nakayama 1999-03-02
5872576 Mask data generator for a graphics LSI 1999-02-16
5673558 Hydraulic circuit system for hydraulic excavator Genroku Sugiyama, Toichi Hirata, Tsukasa Toyooka, Tsuyoshi Nakamura 1997-10-07
5465178 Focusing optical system for semiconductor lasers Sadao Nakai, Masanobu Yamanaka, Tsuyoshi Sato, Kimiaki Yamamoto, Mikihiko Terashima 1995-11-07
5447027 Hydraulic drive system for hydraulic working machines Toichi Hirata, Genroku Sugiyama 1995-09-05
5421155 Hydraulic drive system for hydraulic working machines Toichi Hirata, Genroku Sugiyama, Masami Ochiai 1995-06-06
4455360 Electrophotographic toner comprising cinnamic acid Hiroshi Ozawa, Nobuki Kobayashi, Yoshio Kikuta, Kenichi Nakane 1984-06-19