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 51–75 of 133 patents

Patent #TitleCo-InventorsDate
6853275 Electromagnetic relay Shinichi Sato, Shigemitsu Aoki, Keiji Ikeda, Masato Morimuta 2005-02-08
6845925 Fuel injector Motoyuki Abe, Yuzo Kadomukai, Makoto Yamakado, Ayumu Miyajima, Toru Ishikawa +1 more 2005-01-25
6840465 Manufacturing method of a fuel injection valve; and a fuel injection valve and an internal combustion engine equipped therewith Motoyuki Abe, Yuzo Kadomukai, Makoto Yamakado, Ayumu Miyajima, Hiromasa Kubo +2 more 2005-01-11
6831533 Electromagnetic relay Shinichi Sato, Shigemitsu Aoki, Keiji Ikeda, Masato Morimuta 2004-12-14
6756868 Electromagnetic relay Shinichi Sato, Shigemitsu Aoki, Keiji Ikeda, Masato Morimuta 2004-06-29
6706647 Method of and apparatus for manufacturing semiconductors Yoshitsugu Tsutsumi, Hideki Tomioka, Akira Ohkawa, Toshio Ando 2004-03-16
RE38435 Separating agent Koichi Hatada, Tohru Shibata, Ichiro Okamoto, Hiroyuki Nakamura 2004-02-24
6685114 Electromagnetic fuel injection valve Yuzo Kadomukai, Makoto Yamakado, Noriyuki Maekawa, Tohru Ishikawa, Ayumu Miyajima +1 more 2004-02-03
6677840 Electromagnetic relay Akihiko Nakamura, Shigemitsu Aoki, Tomohisa Endoh 2004-01-13
6675766 Fuel injection valve and internal combustion engine mounting the same Ayumu Miyajima, Yuzo Kadomukai, Shigenori Togashi, Kiyoshi Amo, Makoto Yamakado +3 more 2004-01-13
6668793 Internal combustion engine Ayumu Miyajima, Yuzo Kadomukai, Motoyuki Abe, Shigenori Togashi, Hiromasa Kubo +3 more 2003-12-30
6641784 Optically active isocyanurate and optical resolver comprising derivative of the same Motohiko Hidaka 2003-11-04
6634338 Fuel injection apparatus, fuel injection method and internal combustion engine Makoto Yamakado, Kiyoshi Amou, Yuzo Kadomukai, Hiromasa Kubo, Kenji Tabuchi +3 more 2003-10-21
6615805 Electromagnetic fuel injector and control method thereof Makoto Yamakado, Nobukatsu Arai, Yuzo Kadomukai, Yoshiyuki Tanabe, Yasunaga Hamada +3 more 2003-09-09
6588399 Fuel injection method of internal combustion engine and fuel injection apparatus of internal combustion engine Yuzo Kadomukai, Ayumu Miyajima, Masami Nagano, Tadashi Someno 2003-07-08
6571773 Fuel injector and internal combustion engine Makoto Yamakado, Yoshiyuki Tanabe, Toshio Takahata, Hiromasa Kubo, Yasunaga Hamada +1 more 2003-06-03
6550458 Electromagnetic fuel injection apparatus, an internal combustion engine having an electromagnetic fuel injection apparatus, and a drive circuit of an electromagnetic fuel injection apparatus Makoto Yamakado, Yzo Kadomukai, Yoshiyuki Tanabe, Hiromasa Kubo, Toshio Takahata +2 more 2003-04-22
6543419 Fuel injection system for internal combustion engine Yuzo Kadomukai, Ayumu Miyajima, Masami Nagano, Tadashi Someno 2003-04-08
6543412 Intake air control device and internal combustion engine mounting the same Kiyoshi Amou, Yuzo Kadomukai, Takehiko Kowatari, Ayumu Miyajima, Masami Nagano +3 more 2003-04-08
6536412 Control device for internal combustion engine Tadashi Someno, Masami Nagano, Yuzo Kadomukai 2003-03-25
6508236 Fuel supply device and internal combustion engine mounting the same Kiyoshi Amou, Takehiko Kowatari, Ayumu Miyajima, Yuzo Kadomukai, Toru Ishikawa +4 more 2003-01-21
6489868 Electromagnetic relay Shinichi Sato, Shigemitsu Aoki, Keiji Ikeda, Masato Morimuta 2002-12-03
6474572 Fuel-injection valve Masahiro Tsuchiya, Tosuke Hirata, Tohru Ishikawa, Noriyuki Maekawa, Yoshiyuki Tanabe +4 more 2002-11-05
6453872 Fuel injection valve and internal combustion engine mounting the same Ayumu Miyajima, Yuzo Kadomukai, Shigenori Togashi, Kiyoshi Amo, Makoto Yamakado +3 more 2002-09-24
6448877 Electromagnetic relay having a reduced height Hideto Harayama, Shigemitsu Aoki 2002-09-10