KM

Kenzi Machizawa

HI Hitachi: 7 patents #5,859 of 28,497Top 25%
OC Osaka Gas Co.: 1 patents #252 of 689Top 40%
TC Toho Gas Co.: 1 patents #14 of 69Top 25%
TO Toyota: 1 patents #15,335 of 26,838Top 60%
📍 Ibaraki, JP: #1,449 of 6,779 inventorsTop 25%
Overall (All Time): #766,730 of 4,157,543Top 20%
7
Patents All Time

Issued Patents All Time

Showing 1–7 of 7 patents

Patent #TitleCo-InventorsDate
5345786 Absorption heat pump and cogeneration system utilizing exhaust heat Hiroaki Yoda, Koji Yamamoto 1994-09-13
4841744 Double effect air cooled absorption refrigerating machine Shigekichi Kurosawa, Yoshikazu Nagaoka, Shinichi Kannoh, Sadatoshi Takemoto, Shigeo Sugimoto +5 more 1989-06-27
4748830 Air-cooled absorption heating and cooling system Tomihisa Oouchi, Kyoji Kohno, Yoshifumi Kunugi 1988-06-07
4563882 Air cooling type absorption cooler Yoshifumi Kunugi, Shigeo Sugimoto, Kisaburo Minakawa 1986-01-14
4487036 Hermetically circulating, absorption type refrigerator Masahiko Itoh, Heihatiro Midorikawa, Akira Minato 1984-12-11
4470272 Hermetically circulating, absorption type refrigerator Masahiko Itoh, Heihatiro Midorikawa, Akira Minato 1984-09-11
4439999 Absorption type refrigeration system Akio Mori, Shozo Watanabe, Mitsunobu Matsunaga, Ryohei Minowa 1984-04-03