TY

Tsugio Yoshikawa

HI Hitachi: 3 patents #10,712 of 28,497Top 40%
Overall (All Time): #1,632,551 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
5879132 Stainless steel type 13Cr5Ni having high toughness, and usage of the same Kenichi Usami, Hiroshi Takayasu, Tsutomu Onuma, Makoto Kanda, Masao Kawakami +2 more 1999-03-09
5601411 Stainless steel type 13Cr5Ni having high toughness, and usage the same Kenichi Usami, Hiroshi Takayasu, Tsutomu Onuma, Makoto Kanda, Masao Kawakami +2 more 1997-02-11
5035579 Water-turbine runner and process for manufacturing the same Masami Yada, Takao Funamoto, Michio Kitamura, Junzo Komatsu, Masakazu Midorikawa 1991-07-30