TO

Takeshi Okumura

TO Toyota: 46 patents #227 of 26,838Top 1%
Tdk: 15 patents #373 of 3,796Top 10%
Kawasaki: 12 patents #123 of 2,943Top 5%
MC Mabuchi Motor Co.: 4 patents #26 of 228Top 15%
SC Sanyo Electric Co.: 2 patents #2,557 of 6,347Top 45%
TL Toyota Central R&D Labs: 1 patents #823 of 1,657Top 50%
RE Research Institute Of Innovative Technology For The Earth: 1 patents #24 of 107Top 25%
TC Tokyo Sanyo Electric Co.: 1 patents #24 of 89Top 30%
EX ExxonMobil: 1 patents #5,661 of 10,161Top 60%
OK Okuma: 1 patents #106 of 233Top 50%
📍 Kobe, MO: #1 of 4 inventorsTop 25%
Overall (All Time): #22,155 of 4,157,543Top 1%
81
Patents All Time

Issued Patents All Time

Showing 76–81 of 81 patents

Patent #TitleCo-InventorsDate
4284044 Combustion chamber of an internal combustion engine Kiyoshi Nakanishi, Kazuhiko Ito, Isamu Iezuka, Masao Yasukawa 1981-08-18
4280459 Combustion chamber of an internal combustion engine Kiyoshi Nakanishi, Kazuhiko Ito, Isamu Iezuka, Masao Yasukawa 1981-07-28
4271803 Internal combustion engine Kiyoshi Nakanishi, Ryuichi Deguchi, Toshio Tanahashi 1981-06-09
4259933 Combustion chamber of an internal combustion engine Kiyoshi Nakanishi, Kazuhiko Ito, Isamu Iezuka, Masao Yasukawa 1981-04-07
4212270 Cooling system for an internal combustion engine Kiyoshi Nakanishi 1980-07-15
4182279 Combustion chamber of an internal combustion engine Katsujiro Sato, Kiyoshi Nakanishi 1980-01-08