II

Isao Ishi

HI Hitachi: 1 patents #17,742 of 28,497Top 65%
Overall (All Time): #3,843,542 of 4,157,543Top 95%
1
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
5087181 Sliding structure such as compressor or the like Yasuo Kamitsuma, Yusaku Nakagawa, Noriyuki Ohnaka, Tadashi Iizuka, Kazushi Fukuda 1992-02-11