YS

Yoshinori Shirafuji

Mitsubishi Electric: 13 patents #2,044 of 25,717Top 8%
RC Ryoden Kasei Co.: 1 patents #4 of 22Top 20%
📍 Chiyoda, JP: #292 of 1,712 inventorsTop 20%
Overall (All Time): #381,188 of 4,157,543Top 10%
13
Patents All Time

Issued Patents All Time

Showing 1–13 of 13 patents

Patent #TitleCo-InventorsDate
9541310 Sealed compressor and vapor compression refrigeration cycle apparatus including the sealed compressor Tetsuhide Yokoyama, Shogo MOROE, Teruhiko Nishiki, Taro Kato, Hideaki Maeyama +2 more 2017-01-10
8912274 Water-dispersible varnish Shigeyuki Yamamoto, Toshifumi Kanri, Satoru Toyama, Nobuyuki Kamegawa, Yukio Hidaka 2014-12-16
6189322 Refrigerant-circulating system, and refrigerant compressor and refrigeration cycle employing the refrigerant compressor Keisaku Ishihara, Shin Sekiya, Noboru Masuda, Takeshi Izawa, Hideto Nakao +2 more 2001-02-20
RE36604 Scroll type compressor having curved surface portions between the shaft and bearing means Fumiaki Sano, Masahiko Oide, Toshiyuki Nakamura, Norihide Kobayashi, Hiroshi Ogawa +2 more 2000-03-07
5984647 Process for producing a hermetic electric compressor Fumiyuki Miyamoto, Shinobu Ogasawara, Yasushi Akahori, Hitoshi Tokuyama, Yukio Hidaka +1 more 1999-11-16
5953934 Refrigerant circulating apparatus and method of assembling a refrigerant circuit Hiroaki Makino, Takeshi Izawa, Yasushi Akahori, Koji Yamashita 1999-09-21
5407334 Scroll type compressor having a convex surface on the sub frame bushing Fumiaki Sano, Masahiko Oide, Toshiyuki Nakamura, Hiroshi Ogawa, Norihide Kobayashi +2 more 1995-04-18
5346375 Delivery valve for a scroll compressor Kazuyuki Akiyama, Keiju Sakaino 1994-09-13
5312229 Scroll type compressor having curved bearing surfaces Fumiaki Sano, Masahiko Oide, Toshiyuki Nakamura, Hiroshi Ogawa, Norihide Kobayashi +2 more 1994-05-17
5222881 Scroll type compressor having curved surface portions between the shaft and bearing means Fumiaki Sano, Masahiko Oide, Toshiyuki Nakamura, Hiroshi Ogawa, Norihide Kobayashi +2 more 1993-06-29
5098266 Lubrication of a horizontal rotary compressor Naoshi Takimoto, Yutaka Sato, Hirokazu Kohayakawa, Sou Suzuki, Masaji Hagiwara +1 more 1992-03-24
4983108 Low pressure container type rolling piston compressor with lubrication channel in the end plate Susumu Kawaguchi, Hideaki Maeyama, Tatsuya Sugita, Takashi Yamamoto 1991-01-08
4780067 Multicylinder rotary compressor Sou Suzuki, Keiju Sakaino, Katsuyuki Kawasaki, Hiroshi Ogawa, Hiroyuki Nagashima 1988-10-25