YY

Yoshinobu Yamaguchi

Honda Motor Co.: 3 patents #6,619 of 21,052Top 35%
SD Showa Denko: 2 patents #110 of 593Top 20%
YC Yamaguchi Seiken Kogyo Co.: 2 patents #4 of 10Top 40%
FK Fujimi Kenmazai Kogyo Kabushiki Kaisha: 1 patents #4 of 12Top 35%
TE Toyo Engineering: 1 patents #103 of 295Top 35%
TK Toyo Roki Seizo Kabushiki Kaisha: 1 patents #32 of 69Top 50%
Overall (All Time): #893,836 of 4,157,543Top 25%
6
Patents All Time

Issued Patents All Time

Showing 1–6 of 6 patents

Patent #TitleCo-InventorsDate
4935039 Abrasive composition and process for polishing plastic article Kunihiro Miyazaki, Fumio Imai 1990-06-19
4915710 Abrasive composition and process for polishing Kunihiro Miyazaki, Ken Ishitobi 1990-04-10
4813385 General-purpose internal combustion engine Mutsumi Terasawa, Mitsuo Sasagase 1989-03-21
4590905 Process for decompression control in internal combustion engine and apparatus therefor Ikuo Matsuki, Naoyuki Kamiya, Toshimitsu Ikeda, Yoshiari Takagi, Yoshio Iizuka +3 more 1986-05-27
4285837 Catalyst for steam reforming of hydrocarbons Nobuhiro Sato, Hitoshi Kodama, Isamu Koshdyama, Nanahiko Kitano, Shigeharu Tsutsumi 1981-08-25
4203408 Lubricating oil detector for an internal combustion engine Hitoyuki Takasu 1980-05-20