Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11358928 | Method for producing pentamethylene diisocyanate | Masashi Shimamoto, Tomohiro Kano | 2022-06-14 |
| 9856209 | Xylylene dicarbamate, method for producing xylylene diisocyanate, xylylene diisocyanate, and method for reserving xylylene dicarbamate | Hideki SONE, Masaaki Sasaki | 2018-01-02 |
| 9624165 | Xylylene dicarbamate, method for producing xylylene diisocyanate, xylylene diisocyanate, and method for reserving xylylene dicarbamate | Hideki SONE, Masaaki Sasaki | 2017-04-18 |
| 9512067 | Method for producing xylylene diisocyanate and system for producing xylylene diisocyanate | Hideki SONE, Masaaki Sasaki | 2016-12-06 |
| 9321024 | Method for producing carbamate, method for producing isocyanate, carbamate production system, and isocyanate production system | Satoshi Kato, Takeshi Fukuda, Tetsuya Nakano, Masaaki Sasaki | 2016-04-26 |
| 8940926 | Method for producing carbamate, method for producing isocyanate, carbamate production system, and isocyanate production system | Satoshi Kato, Takeshi Fukuda, Tetsuya Nakano, Masaaki Sasaki | 2015-01-27 |
| 8748654 | Method for producing tolylene diisocyanate | Kazuhiro Kosumi, Takeshi Fukuda, Masaaki Sasaki | 2014-06-10 |
| 8742164 | Method for producing toluenedicarbamate, method for producing toluenediisocyanate, and toluenedicarbamate | Koichi Murayama, Yoshiki Shimokawatoko, Takashi Kanno, Hiroshi Takeuchi, Masaaki Sasaki +1 more | 2014-06-03 |
| 5357915 | Valve system for internal combustion engine | Toshio Yamamoto, Seishi Miura | 1994-10-25 |
| 4939898 | Exhaust system for multi-cylinder internal combustion engines and method for controlling same | Takashi Ichimura, Takayuki Konuma, Takaaki Tsukui | 1990-07-10 |