Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6019829 | Carbon black aggregate | Yoshihiro Omae, Syushichi Yoshimura, Michihiro Ikeda, Tadashi Hashiguchi, Shuuhei Taohata | 2000-02-01 |
| 5824722 | Stabilizer and resin composition containing the same | Machiko Mekada, Noriaki Hata, Hiroyuki Suzuki, Hiroyuki Morikawa | 1998-10-20 |
| 5294719 | Cyclohexylamine compounds useful as a stabilizer for organic materials | Hideki Kurokawa, Mitsumasa Kaitoh | 1994-03-15 |
| 5260443 | Piperidine derivatives as photostabilizer | Mitsumasa Kaitoh, Hideki Kurokawa | 1993-11-09 |
| 5189172 | Piperdine derivatives | Mitsumasa Kaitoh, Hideki Kurokawa | 1993-02-23 |