HT

Hidehiko Tsukamoto

MM Mitsubishi Mining: 5 patents #132 of 2,247Top 6%
Nissan Motor Co.: 2 patents #3,090 of 8,689Top 40%
Mitsubishi Electric: 1 patents #15,491 of 25,717Top 65%
Overall (All Time): #1,061,510 of 4,157,543Top 30%
5
Patents All Time

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
5060497 Method of forming asymmetrical articles by rolling Ryoichi Takahashi, Tomoyoshi Sato, Kazuo Morimoto, Nobutaka Maeda 1991-10-29
4811585 Device for forming asymmetrical articles by rolling Ryoichi Takahashi, Tomoyoshi Sato, Kazuo Morimoto, Nobutaka Maeda 1989-03-14
4722211 Method of forming hollow parts Yoshiharu Taura, Hiroshi Shiota, Masanori Masumoto, Kotaro Yagishita 1988-02-02
4716687 Method and apparatus for grinding a rotary body Kanji Hayashi, Tsunetaka Sumomogi, Masashi Oya, Junichi Ibushi, Katsuaki Takasaki +6 more 1988-01-05
4672830 Method of controlling an edging opening in a rolling mill Eiji Kohmoto, Koichi Asada, Masakuni Yamasaki, Kenichi Matsumoto, Euji Nakazono +2 more 1987-06-16