Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10173902 | Amorphous silica and process for producing same | Yasuhiro Yamamoto, Shuji Shimizu, Yuji Ono | 2019-01-08 |
| 6610405 | Grain aggregate and producing method thereof, and light-diffusing agent | Yasuhiro Yamamoto, Shuji Shimizu, Masafumi Inoue, Hideki Oishi | 2003-08-26 |
| 6169136 | Thermosetting resin potting composition | Yasuhiro Yamamoto, Hideki Oishi, Shuji Shimizu | 2001-01-02 |
| 6150434 | Silica base particles and production process for same | Shuji Shimizu, Yasuhiro Yamamoto, Hideki Oishi | 2000-11-21 |
| 5543456 | Process for preparing an aqueous resin dispersion and an aqueous resin dispersion obtained by the process | Tomoyuki Kuwamoto, Junichi Chosa, Tatsuhito Matsuda | 1996-08-06 |
| 5072018 | Method for production of cyclohexanecarboguanamine | Hidetaka Yatagai, Osamu Kaieda, Souichi Yamada, Tsuguo Takaya | 1991-12-10 |
| 4983710 | Method for production of methylolaminotriazine condensates based on cyclohexanecarboguanamine | Hidetaka Yatagai, Souichi Yamada, Tsuguo Takaya | 1991-01-08 |
| 4973689 | Method for production of cyclohexanecarboguanamine | Hidetaka Yatagai, Osamu Kaieda, Souichi Yamada, Tsuguo Takaya | 1990-11-27 |