Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8653150 | Method for decomposing thermoset resin and recovering decomposition product | Takumi Izumitani, Takaharu Nakagawa, Keishi Shibata, Junko Matsui | 2014-02-18 |
| 7696378 | Depolymerization process | Takaharu Nakagawa, Toyoyuki Urabe, Tetsuya Maekawa, Hiroyuki Yoshida | 2010-04-13 |
| 7601760 | Method of decomposing plastic | Takaharu Nakagawa, Toyoyuki Urabe, Tetsuya Maekawa | 2009-10-13 |
| 5399949 | Overload projection apparatus for small-sized tripod head | — | 1995-03-21 |
| 5055933 | Automatic focusing apparatus and automatic focusing method for automatically matching focus in response to video signal | — | 1991-10-08 |
| 4922346 | Automatic focusing apparatus having a variable focusing speed and particularly suited for use with interlaced scanning | Hirotsugu Murashima, Masao Takuma, Toshinobu Haruki, Kenichi Kikuchi | 1990-05-01 |