JM

Johji Mamiya

HI Hitachi: 1 patents #867 of 2,942Top 30%
IBM: 1 patents #1,061 of 3,557Top 30%
Overall (1997): #127,691 of 185,788Top 70%
1
Patents 1997

Issued Patents 1997

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5621281 Discharge lamp lighting device Kenji Kawabata, Ryuichi Ikeda, Motohiro Sugino, Takashi Okada 1997-04-15