DH

Daisuke Hisajima

HI Hitachi: 3 patents #145 of 3,149Top 5%
📍 Kashiwa, JP: #2 of 58 inventorsTop 4%
Overall (1994): #14,092 of 165,921Top 9%
3
Patents 1994

Issued Patents 1994

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
5289868 Absorption chiller heater and unit-type air conditioning system Yasuo Koseki, Ryuichi Kaji, Hiroaki Yoda, Takashi Nakao, Tomihisa Ohuchi +2 more 1994-03-01
5282369 Multiple type absorption air conditioning system Tomihisa Ohuchi, Akira Nishiguchi, Seiichiro Sakaguchi, Michihiko Aizawa, Takashi Nakao +2 more 1994-02-01
5275010 Control method and apparatus of absorption chiller heater Tomihisa Ohuchi, Akira Nishiguchi, Yasuo Koseki, Michihiko Aizawa, Hiroaki Yoda +1 more 1994-01-04