IH

Isao Hayase

HI Hitachi: 2 patents #771 of 3,950Top 20%
📍 Tsukuba, JP: #18 of 299 inventorsTop 7%
Overall (2002): #28,274 of 266,432Top 15%
3
Patents 2002

Issued Patents 2002

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
6494696 Scroll compressor Toshiyuki Terai, Masahiro Takebayashi, Isamu Tsubono, Masaki Koyama, Koichi Sekiguchi 2002-12-17
6352418 Displacement type fluid machine Hirokatsu Kohsokabe, Kunihiko Takao, Masahiro Takebayashi, Hiroaki Hata, Shigetaroo Tagawa +2 more 2002-03-05
6345967 Scroll type fluid machine having different wrap side surface clearances Yuugo Mukai, Isamu Tsubono, Takeshi Tsuchiya, Toshiyuki Terai, Mutsunori Matsunaga 2002-02-12