KH

Koji Hirayama

HI Hitachi: 5 patents #7,555 of 28,497Top 30%
KI Kioritz: 2 patents #77 of 197Top 40%
KC Kokoku Intech Co.: 2 patents #5 of 46Top 15%
HS Hitachi Communication Systems: 1 patents #34 of 83Top 45%
OC Oki Electric Industry Co.: 1 patents #1,459 of 2,807Top 55%
MA Maxell: 1 patents #286 of 437Top 70%
Honda Motor Co.: 1 patents #12,035 of 21,052Top 60%
Overall (All Time): #447,791 of 4,157,543Top 15%
11
Patents All Time

Issued Patents All Time

Showing 1–11 of 11 patents

Patent #TitleCo-InventorsDate
11670782 Fuel cell separator and fuel cell stack Hiroshi Morikawa, Keisuke Ando, Akihiro Noda, Keisuke Mori, Hirotoshi Honma 2023-06-06
10564535 Projection type image display apparatus and information display method on projection type image display apparatus Takuya SHIMIZU 2020-02-18
7435371 Method for manufacturing rubber parts combined with substrate Shin-ichiro Eno, Takuya Funatsu 2008-10-14
7020084 Communication system, a communication method and communication terminal Koji Tanaka, Masahiro Hayashi, Haruo Shibata 2006-03-28
7003302 Wireless base station and packet transfer apparatus for dynamically controlling data transmission rate Kiyohiko Yoshida, Hideo Aoe, Shuichi Miyazaki, Shuuichi Kozawa 2006-02-21
6879592 Switching system and switching control method Haruo Shibata, Akio Kawase, Shinichi Iwaki 2005-04-12
6826167 Mobile communication system Tatsuaki Osafune, Katsuyoshi Kitai, Tohru Hoshi, Tomohiro Hotta 2004-11-30
6731621 Mobil communication system for providing IP packet communications and method for routing IP packets Mika Mizutani, Susumu Matsui, Toshiya Ouchi, Haruo Shibata, Keisuke Shirai 2004-05-04
6340919 Random number generating circuit 2002-01-22
4898039 Throttle lever holding device Fumihiko Aiyama 1990-02-06
4875384 Throttle lever mechanism Fumihiko Aiyama 1989-10-24