YT

Yoichi Tamaki

HI Hitachi: 2 patents #339 of 2,942Top 15%
📍 Kokubunji, JP: #13 of 111 inventorsTop 15%
Overall (1997): #18,892 of 185,788Top 15%
2
Patents 1997

Issued Patents 1997

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
5643805 Process for producing a bipolar device Hiroyuki Ohta, Hideo Miura, Hiroo Masuda, Takahide Ikeda, Asao Nishimura +1 more 1997-07-01
5619069 Bipolar device and production thereof Hiroyuki Ohta, Hideo Miura, Hiroo Masuda, Takahide Ikeda, Asao Nishimura +1 more 1997-04-08