TO

Tomoyoshi Okamura

HI Hitachi: 3 patents #512 of 4,225Top 15%
UN Unknown: 1 patents #273 of 2,925Top 10%
📍 Oarai, JP: #1 of 8 inventorsTop 15%
Overall (2003): #20,096 of 273,478Top 8%
3
Patents 2003

Issued Patents 2003

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
6582189 Turbo machines Kouichi Irie, Akira Manabe, Junichi Kurokawa 2003-06-24
6540482 Turbo-type machines Kouichi Irie, Sumio Sudo, Junichi Kurokawa 2003-04-01
6514034 Pump Kouichi Irie, Taiji Hashimoto, Hitoharu Kimura 2003-02-04