MA

Michihiko Aizawa

HI Hitachi: 22 patents #1,535 of 28,497Top 6%
📍 Ibaraki, JP: #355 of 6,779 inventorsTop 6%
Overall (All Time): #198,280 of 4,157,543Top 5%
22
Patents All Time

Issued Patents All Time

Showing 1–22 of 22 patents

Patent #TitleCo-InventorsDate
7165418 Absorption refrigerator and production method thereof Katsumi Mabuchi, Heihatiro Midorikawa, Tomoko Kikuchi, Takashi Honda, Masahiko Ito 2007-01-23
6813901 Absorption refrigerator and production method thereof Katsumi Mabuchi, Heihatiro Midorikawa, Tomoko Kikuchi, Takashi Honda, Masahiko Ito 2004-11-09
6279342 Absorption refrigerator and production method thereof Katsumi Mabuchi, Heihatiro Midorikawa, Tomoko Kikuchi, Takashi Honda, Masahiko Ito 2001-08-28
6233968 Absorption refrigerating machine Akira Nishiguchi, Ryoko Sakiyama, Tomihisa Ohuchi 2001-05-22
6122930 Absorption refrigerating machine Akira Nishiguchi, Ryoko Sakiyama, Tomihisa Ohuchi 2000-09-26
5964103 Absorption refrigerator and production method thereof Katsumi Mabuchi, Heihatiro Midorikawa, Tomoko Kikuchi, Takashi Honda, Masahiko Ito 1999-10-12
5806337 Absorption refrigerator and production method thereof Katsumi Mabuchi, Heihatiro Midorikawa, Tomoko Kikuchi, Takashi Honda, Masahiko Ito 1998-09-15
5517830 Multiple type absorption air conditioning system Tomihisa Ohuchi, Akira Nishiguchi, Seiichiro Sakaguchi, Daisuke Hisajima, Takashi Nakao +2 more 1996-05-21
5463880 Absorption refrigerator Yoshitaka Nishino, Toshio Sawa, Takashi Nakao, Kenji Yokose 1995-11-07
5447042 Multiple type absorption air conditioning system Tomihisa Ohuchi, Akira Nishiguchi, Seiichiro Sakaguchi, Daisuke Hisajima, Takashi Nakao +2 more 1995-09-05
5435154 High temperature regenerator of an absorption type hot and cold water generator and absorption type hot and cold water generator Akira Nishiguchi, Tomihisa Ohuchi, Shigeo Sugimoto, Takao Naruse, Yasuo Uraki 1995-07-25
5282369 Multiple type absorption air conditioning system Tomihisa Ohuchi, Akira Nishiguchi, Seiichiro Sakaguchi, Daisuke Hisajima, Takashi Nakao +2 more 1994-02-01
5275010 Control method and apparatus of absorption chiller heater Daisuke Hisajima, Tomihisa Ohuchi, Akira Nishiguchi, Yasuo Koseki, Hiroaki Yoda +1 more 1994-01-04
5259202 Absorption air-conditioning system Akira Nishiguchi, Tomihisa Ohuchi, Daisuke Hisajima 1993-11-09
5218844 Absorption heat pump apparatus with indoor and outdoor heat exchangers Akira Nishiguchi, Tomihisa Ohuchi, Seiichiro Sakaguchi, Daisuke Hisajima 1993-06-15
5205137 Absorption air conditioner Tomihisa Ohuchi, Akira Nishiguchi, Daisuke Hisajima, Seiichiro Sakaguchi, Yoshifumi Kunugi +2 more 1993-04-27
5205352 Heat exchanger for condensing vapor into liquid phase, power generating plant using the heat exchanger and absorption refrigerator using the heat exchanger Fumio Takahashi, Iwao Harada, Yasuo Fujitani 1993-04-27
5048308 Absorption refrigerator Daisuke Hisajima, Tomihisa Ohuchi, Seiichiro Sakaguchi, Toshifumi Kunugi 1991-09-17
4941329 Double effect air-cooled absorption refrigerating machine Kouji Imura, Tomihisa Ohuchi, Kyoji Kohno, Tamio Shimizu 1990-07-17
4912934 Hermetically closed circulation type, vapor absorption refrigerator Masahiko Itoh, Heihatiro Midorikawa, Kazutoshi Itoh, Yasumasa Furutani 1990-04-03
4857222 Absorption type refrigerator and absorbing solution therefor Masahiko Itoh, Heihatiro Midorikawa, Yasumasa Furutani 1989-08-15
4551991 Multi-effect absorption refrigerating machine Nobutaka Miyoshi, Shigeo Sugimoto 1985-11-12