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 101–125 of 133 patents

Patent #TitleCo-InventorsDate
RE34457 Separating agent Koichi Hatada, Tohru Shibata, Ichiro Okamoto, Hiroyuki Nakamura 1993-11-30
5234499 Spin coating apparatus Tadashi Sasaki, Koji Kizaki 1993-08-10
5202433 Polysaccharide derivatives as separating agents Koichi Hatada 1993-04-13
5167161 Automatic defect detecting/correcting system of tape-mounted electronic components assembly Akinori Kikuchi 1992-12-01
5135653 Optical resolution with .beta.-1,4-xylan dibenzoate Koichi Hatada, Tohru Shibata, Hajime Namikoshi, Ichiro Okamoto 1992-08-04
5109823 Fuel injector device and method of producing the same Mizuho Yokoyama, Hisanobu Kanamaru, Tunemitu Kuroha, Atsushi Koshizaka, Hironori Shinozaki 1992-05-05
5109824 Electromagnetic fuel injection valve Yozo Nakamura, Mineo Kashiwaya, Eigi Hamashima 1992-05-05
5108037 Fuel injection valve Haruo Watanabe, Hiroyuki Ando, Youzou Nakamura, Mineo Kashiwaya, Eiji Hamashima 1992-04-28
5098016 Electromagnetic fuel injection valve Yozo Nakamura, Kyoichi Uchiyama, Haruo Watanabe, Tokuo Kosuge, Akira Onishi +3 more 1992-03-24
5032277 Optical resolution with .beta.-1,4-mannan tribenzoate Koichi Hatada, Tohru Shibata, Hajime Namikoshi, Ichiro Okamoto 1991-07-16
5018501 Electromagnetic fuel injection valve apparatus Haruo Watanabe, Ichiro Nakamura, Hitoshi Konno 1991-05-28
4995559 Electromagnetic fuel injection valve Yozo Nakamura, Kyoichi Uchiyama, Haruo Watanabe, Tokuo Kosuge, Akira Onishi +3 more 1991-02-26
4931184 Optical resolution with tribenzoyl-b-1,4-chitosan Koichi Hatada, Tohru Shibata, Hajime Namikoshi, Ichiro Okamoto 1990-06-05
4912205 Alkyl-substituted phenylcarbamate derivative of polysaccharide Koichi Hatada 1990-03-27
4887769 Electromagnetic fuel injection valve Yozo Nakamura, Kyoichi Uchiyama, Haruo Watanabe, Tokuo Kosuge, Akira Onishi +3 more 1989-12-19
4861872 Alkyl-phenylcarbamate derivative of polysaccharide Koichi Hatada 1989-08-29
4856313 Method of controlling strip crown in planetary rolling Ryozo Mirura, Hiroki Takahashi, Souichi Inada 1989-08-15
4818394 Separating agent Koichi Hatada, Tohru Shibata, Ichiro Okamoto, Hiroyuki Nakamura 1989-04-04
4800034 Cold rolling oil composition for aluminum and aluminum-containing alloys Masaru Akao, Akio Manba, Takehiko Ichimoto 1989-01-24
4681919 Polymerizable, optically active polymer and process for preparing polymerizable polymer Heimei Yuki 1987-07-21
4619970 Separation agent Koichi Hatada 1986-10-28
4613442 Novel optically active polymer, preparation and use Heimei Yuki 1986-09-23
4559389 Graft copolymers, process for the preparation thereof and ionizing radiation sensitive resist using such copolymers Koichi Hatada, Tatsuki Kitayama 1985-12-17
4555574 Methacrylic ester useful as an optical resolving agent Heimei Yuki 1985-11-26
4554323 Polymerizable, optically active polymer and process for preparing polymerizable polymer Heimei Yuki 1985-11-19