TH

Toshizumi Hirota

MC Mitsubishi Gas Chemical Company: 3 patents #605 of 1,727Top 40%
MI Mitsubishi: 1 patents #54 of 173Top 35%
Overall (All Time): #1,250,783 of 4,157,543Top 35%
4
Patents All Time

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
7350917 Light control plastic lens, coated sheet-like light control element for the lens production, and a production method for light control plastic lens Ryozo Kawai, Yoshiyuki Aoki, Kyohei Takakuwa, Mitsuhiko Masumoto, Motoharu Takeuchi 2008-04-01
5468351 Apparatus for recovering fresh water and apparatus for concentrating liquid Hitoshi Kobayashi, Yasunobu Nakagoshi, Yukio Amino 1995-11-21
5045627 Melt-processable copolyester Hiroka Tanisake, Koji Yamamoto 1991-09-03
4983707 Copolyester from 1,6-bis(phenoxy)hexane-4,4'-dicarboxylate Hiroka Tanisake, Koji Yamamoto, Kazunobu Maruo 1991-01-08