YK

Yasuo Koseki

HI Hitachi: 4 patents #57 of 3,149Top 2%
KC Kansai Electric Power Co.: 1 patents #10 of 26Top 40%
Overall (1994): #3,915 of 165,921Top 3%
4
Patents 1994

Issued Patents 1994

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
5289868 Absorption chiller heater and unit-type air conditioning system Ryuichi Kaji, Hiroaki Yoda, Takashi Nakao, Tomihisa Ohuchi, Akira Nishiguchi +2 more 1994-03-01
5285645 Regenerative type air conditioning equipment Akira Yamada, Risuke Onoda, Fumiaki Yatsuboshi, Hirokuni Mizuno 1994-02-15
5282369 Multiple type absorption air conditioning system Tomihisa Ohuchi, Akira Nishiguchi, Seiichiro Sakaguchi, Daisuke Hisajima, Michihiko Aizawa +2 more 1994-02-01
5275010 Control method and apparatus of absorption chiller heater Daisuke Hisajima, Tomihisa Ohuchi, Akira Nishiguchi, Michihiko Aizawa, Hiroaki Yoda +1 more 1994-01-04