KM

Kenji Machizawa

HI Hitachi: 2 patents #13,388 of 28,497Top 50%
HC Hitachi Building Systems Co.: 2 patents #3 of 53Top 6%
📍 Ibaraki, JP: #2,214 of 6,779 inventorsTop 35%
Overall (All Time): #1,264,710 of 4,157,543Top 35%
4
Patents All Time

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
6701727 Apparatus and method for managing heat source unit for air conditioner Tomohiro Komatsu, Tadakatsu Nakajima, Akira Nishiguchi, Tatsuo Fujii, Masaru Noujyo +4 more 2004-03-09
6263696 Air-cooled absorption type chiller heater and modification method Yukio Hukushima, Hidenori Iwao, Isao Katou, Keiji Tachibana 2001-07-24
4655053 Air-cooled absorption refrigeration system Yoshifumi Kunugi, Shigeo Sugimoto, Kyoji Kohno, Tomihisa Ouchi 1987-04-07
4398399 Hermetically circulating, absorption type refrigerator Masahiko Itoh, Heihatiro Midorikawa, Akira Minato 1983-08-16