YM

Yasuharu Maruiwa

Mitsubishi Electric: 5 patents #5,859 of 25,717Top 25%
MM Mitsubishi Mining: 3 patents #285 of 2,247Top 15%
Overall (All Time): #654,503 of 4,157,543Top 20%
8
Patents All Time

Issued Patents All Time

Showing 1–8 of 8 patents

Patent #TitleCo-InventorsDate
8257063 Refrigerant compressor Hajime Sato, Yoshiyuki Kimata, Yoshiaki Miyamoto 2012-09-04
6860728 Scroll compressor sealing Makoto Takeuchi, Takahide Itoh, Hiroshi Yamazaki, Takayuki Hagita, Tetsuzou Ukai +1 more 2005-03-01
6746224 Scroll compressor Takahide Itoh, Makoto Takeuchi, Hiroshi Yamazaki, Yukio Nagato, Chikako Sasakawa +1 more 2004-06-08
6695598 Scroll compressor Katsuhiro Fujita, Takahide Itoh, Makoto Takeuchi, Tetsuzou Ukai, Hiroshi Ogawa +3 more 2004-02-24
6585501 Scroll compressor sealing Makoto Takeuchi, Takahide Itoh, Hiroshi Yamazaki, Takayuki Hagita, Tetsuzou Ukai +1 more 2003-07-01
5727934 Scroll type fluid machine having a thin plate for each scroll Masumi Sekita, Makoto Takeuchi, Tetsuo Shigeoka, Tetsuzo Ukai, Mikihiko Ishii 1998-03-17
4696084 Method for forming scroll members used in a scroll type fluid machine Takahisa Hirano, Shoji Fukami, Takuyuki Itoh, Tamio Sugimoto, Tetsuo Ono +1 more 1987-09-29
4666380 Scroll type fluid machine with prevention of stress concentration Takahisa Hirano, Shoji Fukami, Takuyuki Itoh, Tamio Sugimoto, Tetsuo Ono +1 more 1987-05-19