YO

Yoshio Okamoto

HI Hitachi: 45 patents #373 of 28,497Top 2%
DI Daicel Chemical Industries: 39 patents #5 of 893Top 1%
HC Hitachi Car Engineering Co.: 19 patents #19 of 465Top 5%
HS Hitachi Automotive Systems: 11 patents #120 of 1,636Top 8%
FL Fujitsu Takamisawa Component Limited: 7 patents #9 of 113Top 8%
HC Hitachi Automotive Engineering Co.: 5 patents #22 of 314Top 8%
DA Daicel: 4 patents #85 of 523Top 20%
IC Idemitsu Kosan Co.: 4 patents #327 of 1,237Top 30%
NU National University Corporation Nagoya University: 4 patents #37 of 782Top 5%
DC Dainippon Screen Mfg. Co.: 4 patents #193 of 977Top 20%
AC Asahi Kasei Kogyo Co.: 2 patents #303 of 1,395Top 25%
Fujitsu Limited: 2 patents #10,930 of 24,456Top 45%
HS Hitachi-Lg Data Storage: 2 patents #125 of 294Top 45%
KA Kao: 2 patents #1,388 of 3,221Top 45%
HI Hiatchi: 1 patents #1 of 84Top 2%
KS Kobe Steel: 1 patents #857 of 2,031Top 45%
TC Takamisawa Electric Co.: 1 patents #14 of 30Top 50%
MC Murata Manufacturing Co.: 1 patents #3,462 of 5,295Top 70%
NC Nakano Vinegar Co.: 1 patents #24 of 63Top 40%
FL Fujitsu Component Limited: 1 patents #204 of 281Top 75%
Nichia: 1 patents #1,005 of 1,531Top 70%
NC Nippon Yakin Kogyo Co.: 1 patents #31 of 74Top 45%
NI Nissan Chemical Industries: 1 patents #655 of 1,150Top 60%
SC Stanley Electric Co.: 1 patents #550 of 1,072Top 55%
HC Hitachi Media Electronics Co.: 1 patents #130 of 214Top 65%
Overall (All Time): #8,022 of 4,157,543Top 1%
133
Patents All Time

Issued Patents All Time

Showing 76–100 of 133 patents

Patent #TitleCo-InventorsDate
6431155 Electromagnetic fuel injector and control method thereof Makoto Yamakado, Nobukatsu Arai, Yuzo Kadomukai, Yoshiyuki Tanabe, Yasunaga Hamada +3 more 2002-08-13
6414576 Multiple electromagnetic relay Akihiko Nakamura, Shigemitsu Aoki 2002-07-02
6367720 Electromagnetic fuel injection valve Yuzo Kadomukai, Makoto Yamakado, Noriyuki Maekawa, Tohru Ishikawa, Ayumu Miyajima +1 more 2002-04-09
6345601 Direct injection fuel injector and internal combustion engine mounting the same Ayumu Miyajima, Yuzo Kadomukai, Shigenori Togashi, Tohru Ishikawa 2002-02-12
6341592 Fuel injector and internal combustion engine having the same Yzo Kadomukai, Yoshiyuki Tanabe, Yasunaga Hamada 2002-01-29
6332453 Electromagnetic system fuel injection apparatus an internal combustion engine having an electromagnetic system fuel injection apparatus, and a drive circuit of an electromagnetic system fuel injection apparatus Makoto Yamakado, Yzo Kadomukai, Yoshiyuki Tanabe, Hiromasa Kubo, Toshio Takahata +2 more 2001-12-25
6217769 Separating agent for optical isomers and process for producing the same Eiji Yashima 2001-04-17
6216665 Fuel injector and internal combustion engine having the same Yzo Kadomukai, Yoshiyuki Tanabe, Yasunaga Hamada 2001-04-17
6129073 Electromagnetic fuel injector and control method thereof Makoto Yamakado, Nobukatsu Arai, Yuzo Kadomukai, Yoshiyuki Tanabe, Yasunaga Hamada +3 more 2000-10-10
6125818 Fuel injector and internal combustion engine having the same Yzo Kadomukai, Yoshiyuki Tanabe, Yasunaga Hamada 2000-10-03
5992391 Electromagnetic fuel injector and control method thereof Makoto Yamakado, Nobukatsu Arai, Yuzo Kadomukai, Yoshiyuki Tanabe, Yasunaga Hamada +3 more 1999-11-30
5981647 Resin composition for a white marking Moriyuki Yokoyama, Hiroshi Sagane 1999-11-09
5949313 Electromagnetic relay for low acoustic noise Shigemitsu Aoki, Hiroyuki Uchino 1999-09-07
5915352 In-cylinder fuel injection device and internal combustion engine mounting the same Minoru Ohsuga, Tohru Ishikawa, Masahiro Souma 1999-06-29
5736411 Chiral shift reagent for NMR comprising saccharide derivative Eiji Yashima, Kazuma Oguni 1998-04-07
5679572 Separation of chiral compounds on polysaccharide supports Naoki Enomoto, Ryu Ohishi, Yasushi Ogasawara, Hirofumi Akano, Yoshiya Kawamura 1997-10-21
5663311 Polysaccharide derivative and separation agent 1997-09-02
5639824 Separating agent containing a support and a cyclodextrin derivative 1997-06-17
5583100 Oil compositions for hot rolling aluminum and aluminum alloys Yukio Sugishita, Hiroyuki Andoh, Kuniaki Matsui, Takehiko Ichimoto, Masataka Negishi 1996-12-10
5543506 Polysaccharide derivative and separating agent 1996-08-06
5496937 Polysaccharide substances, process for producing them and use of them Naoki Enomoto, Sachiko Furukawa, Yasushi Ogasawara, Hirofumi Akano, Yoshiya Kawamura 1996-03-05
5491223 Polysaccharide derivative and separating agent 1996-02-13
5346137 Electromagnetic fuel injection valve Hisanobu Kanamaru, Hitoshi Maeda, Satoshi Suzuki, Tohru Ishikawa, Tokuo Kosuge +5 more 1994-09-13
5309623 Method of making a seesaw balance type microminiature electromagnetic relay Takashi Miura, Takanori Tanaka, Ikuhiro Andoh, Hajime Tsuboi, Koji Hanada 1994-05-10
5304970 Seesaw balance type microminiature electromagnetic relay and method of producing the same Takashi Miura, Takanori Tanaka, Ikuhiro Andoh, Hajime Tsuboi, Koji Hanada 1994-04-19