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 1–25 of 133 patents

Patent #TitleCo-InventorsDate
11920781 Lighting device and display Hiroshi Miyairi 2024-03-05
11021604 Polycarbonate resin composition and molded object of same Tsuyoshi Murakami 2021-06-01
10836834 Separating agent for optical isomer Chiyo Yamamoto, Tomoyuki Ikai, Masami Kamigaito 2020-11-17
10686292 Laser module Daisuke Nagatomo, Takashi Nakai, Kenji Nagashima 2020-06-16
10634105 Fuel injection valve Yoshihito Yasukawa, Noriyuki Maekawa, Nobuaki Kobayashi, Takahiro Saito 2020-04-28
10466490 Video projection device and head mounted display using the same Tomoto Kawamura, Toshiteru Nakamura, Yoshiho Seo, Satoshi Ouchi, Hidenao Saito +1 more 2019-11-05
10119022 Polycarbonate resin composition Tsuyoshi Murakami 2018-11-06
10066101 Polycarbonate resin molding material for articles to be coated, molded article and coated molded article Yusuke Aoki, Tsuyoshi Murakami 2018-09-04
9927613 Image display apparatus and head mounted display Toshiteru Nakamura, Satoshi Ouchi, Yoshiho Seo, Tomoto Kawamura 2018-03-27
9901902 Amylose derivative and optical isomer separating agent containing same Jun Shen, Zhongzheng Yang, Geng Li 2018-02-27
9593202 Polycarbonate resin composition pellets and process for manufacturing same Takayoshi Tanaka, Masami Takimoto, Yasunobu Yamazaki 2017-03-14
9541048 Fuel injection valve Kazuki Yoshimura, Noriyuki Maekawa, Nobuaki Kobayashi, Eiji Ishii, Takahiro Saito 2017-01-10
9499638 Polysaccharide derivative and separating agent for optical isomer containing the same Chiyo Yamamoto, Shunsuke Kondo, Masami Kamigaito 2016-11-22
9464612 Fuel injection valve Nobuya Sekiyama, Yoshihito Yasukawa, Noriyuki Maekawa, Nobuaki Kobayashi, Takahiro Saito 2016-10-11
9458186 Polysaccharide derivative, method for producing the same, and separating agent Junqing Li, Xiande Shen, Jun Shen, Haitao Qu, Guangshun Wu 2016-10-04
9404456 Fuel injection valve Yoshihito Yasukawa, Noriyuki Maekawa, Nobuaki Kobayashi, Takahiro Saito 2016-08-02
9322375 Fuel injection valve Kazuki Yoshimura, Noriyuki Maekawa, Nobuaki Kobayashi, Eiji Ishii, Takahiro Saito 2016-04-26
9309853 Fuel injection valve and fuel injection system Yoshihito Yasukawa, Noriyuki Maekawa, Nobuaki Kobayashi, Takahiro Saito 2016-04-12
9157403 Fuel injection valve Takahiro Saito, Nobuaki Kobayashi, Hiroshi Ohno, Atsushi Nakai 2015-10-13
9121379 Fuel injection valve Takahiro Saito, Nobuaki Kobayashi, Hiroshi Ohno, Atsushi Nakai 2015-09-01
9103309 Fuel injection valve Kazuki Yoshimura, Eiji Ishii, Noriyuki Maekawa, Takahiro Saito, Atsushi Nakai 2015-08-11
8888021 Fuel injector Yoshihito Yasukawa, Takahiro Saito, Masanori Ishikawa, Eiji Ishii, Nobuaki Kobayashi +1 more 2014-11-18
8882003 Fuel injector Yoshihito Yasukawa, Noriyuki Maekawa, Nobuaki Kobayashi, Takahiro Saito 2014-11-11
8573088 Mechanism for converting rotational motion to linear motion Kenji Hiraku, Isamu Tsubono 2013-11-05
8498190 Optical head using beam dividing element Tomoto Kawamura, Hiroshi Ogasawara, Kotaro Oishi 2013-07-30