HI

Hachiro Ichikawa

NC Nippon Light Metal Company: 2 patents #109 of 499Top 25%
CC Central Japan Railway Comany: 1 patents #126 of 313Top 45%
Overall (All Time): #1,631,087 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
6155380 Grease filling device for electric motor Masatoshi Katagiri, Keizo Yoshikawa, Mitsunori Uchida, Koichi Horie 2000-12-05
4917877 Process for producing aluminum nitride powder Masanory Oguni, Akira Murase, Hiroo Ozawa, Akihiko Tsuge 1990-04-17
4851207 Process for producing an aluminum nitride powder Masanori Oguni, Akira Murase, Hazuo Horiba, Kenichi Sakamoto, Mikio Kanehara 1989-07-25