HU

Hideo Usui

HI Hitachi: 3 patents #10,712 of 28,497Top 40%
📍 Hitachinaka, JP: #1,128 of 2,447 inventorsTop 50%
Overall (All Time): #1,670,217 of 4,157,543Top 45%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
4815943 Variable displacement wobble plate compressor with capacity control valve Kenichi Kawashima, Kenji Emi, Akira Tezuka, Kosaku Sayo, Toshikazu Ito +9 more 1989-03-28
4649709 Temperature control method and apparatus for air conditioner Tsuneo Kagohata, Kenichi Chonan, Atsushi Suginuma, Akira Tezuka 1987-03-17
4321019 Swash plate type compressor Takashi Degawa, Atsushi Suginuma, Kenichi Kawashima, Tsuneo Kan, Kunihiko Takao 1982-03-23