DH

Daisuke Hisajima

HI Hitachi: 12 patents #3,472 of 28,497Top 15%
HC Hitachi Cable: 1 patents #530 of 1,086Top 50%
Overall (All Time): #413,148 of 4,157,543Top 10%
12
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
10554065 Battery control apparatus Noriyuki Miyake, Yasushi Tomita, Tsutomu Kawamura, Hirotaka Takahashi, Kenichi Kuwabara +1 more 2020-02-04
5577555 Heat exchanger Akira Nishiguchi, Tomihisa Ohuchi, Saburo Tsukada 1996-11-26
5517830 Multiple type absorption air conditioning system Tomihisa Ohuchi, Akira Nishiguchi, Seiichiro Sakaguchi, Michihiko Aizawa, Takashi Nakao +2 more 1996-05-21
5447042 Multiple type absorption air conditioning system Tomihisa Ohuchi, Akira Nishiguchi, Seiichiro Sakaguchi, Michihiko Aizawa, Takashi Nakao +2 more 1995-09-05
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
5259202 Absorption air-conditioning system Akira Nishiguchi, Tomihisa Ohuchi, Michihiko Aizawa 1993-11-09
5218844 Absorption heat pump apparatus with indoor and outdoor heat exchangers Akira Nishiguchi, Tomihisa Ohuchi, Seiichiro Sakaguchi, Michihiko Aizawa 1993-06-15
5205137 Absorption air conditioner Tomihisa Ohuchi, Akira Nishiguchi, Seiichiro Sakaguchi, Yoshifumi Kunugi, Michihiko Aizawa +2 more 1993-04-27
5156203 Air conditioning system Sunao Funakoshi, Kazuya Matsuo, Hiroo Nakamura, Hiroaki Matsushima, Akira Nishiguchi +3 more 1992-10-20
5048308 Absorption refrigerator Tomihisa Ohuchi, Seiichiro Sakaguchi, Toshifumi Kunugi, Michihiko Aizawa 1991-09-17