MM

Masayoshi Muraki

MC Mitsubishi Oil Co.: 4 patents #12 of 83Top 15%
Mitsubishi Electric: 2 patents #11,187 of 25,717Top 45%
MM Mitsubishi Mining: 1 patents #886 of 2,247Top 40%
NO Nippon Mitsubishi Oil: 1 patents #70 of 158Top 45%
NC Nippon Steel Chemical Co.: 1 patents #136 of 380Top 40%
Overall (All Time): #1,046,464 of 4,157,543Top 30%
5
Patents All Time

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
6221274 Lubricant compositions for refrigerating machine employing HFC-32, HFC-125 or HFC-134A Yasushi Akahori, Noboru Masuda, Takeshi Izawa, Kazuo Tagawa, Tomohiro Magome 2001-04-24
5728655 Refrigerating machine oil composition for use with HCFC and HFC refrigerants Yukiharu Beppu, Shozaburo Konishi, Takayoshi Hamada, Nobuo Murata, Norimasa Nishiura 1998-03-17
5653909 Refrigerating machine oil composition for use with HFC refrigerant Yukiharu Beppu, Shozaburo Konishi, Susumu Kawaguchi, Noboru Masuda, Sou Suzuki 1997-08-05
5043497 Lubricating oil for traction drives Hajime Yoshida, Koji Tsuchimoto 1991-08-27
4371726 Composition suitable for mechanical power transmission and process for operating traction drives Yoshiharu Horita, Kenichi Fujimoto, Michio Hoshino, Tetsuo Takito 1983-02-01