MO

Masakazu Okamoto

DI Daikin Industries: 25 patents #74 of 2,957Top 3%
AA Autoliv Development Ab: 2 patents #289 of 1,363Top 25%
BI Bando Chemical Industries: 2 patents #120 of 303Top 40%
SD Showa Denko: 2 patents #110 of 593Top 20%
Overall (All Time): #129,587 of 4,157,543Top 4%
29
Patents All Time

Issued Patents All Time

Showing 26–29 of 29 patents

Patent #TitleCo-InventorsDate
7419369 Displacement type expansion machine and fluid machine Katsumi Sakitani, Michio Moriwaki, Eiji Kumakura, Tetsuya Okamoto 2008-09-02
6038866 Cryogenic refrigerating machine and control method therefor Toshiyuki Kurihara 2000-03-21
5572311 Apparatus for decolorizing toner images and an image forming apparatus Yuki Abe, Rikuzou Kouzuki, Yasunori Mikata, Masatsugu Tabata, Shigeki Inoue +4 more 1996-11-05
5405726 Method and apparatus for decolorization, and image forming apparatus Yuki Abe, Rikuzou Kouzuki, Yasunori Mikata, Masatsugu Tabata, Shigeki Inoue +4 more 1995-04-11