Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5681803 | Detergent composition having low skin irritability | Tomomichi Okano, Masahiro Fukuda, Junko Tanabe, Masato Ono, Hisao Takahashi +4 more | 1997-10-28 |
| 5505873 | Peroxide bleaching compositions containing quanternary ammonium phthalate ester bleach activators for house cleaning | Sonoko Shintani, Junji Ono, Takao Osugi, Naoki Mizushima, Shin-ichi Suzuki | 1996-04-09 |
| 4931562 | Piperidines | Takamitsu Tamura, Masami Fujiwara | 1990-06-05 |
| 4820437 | Bleaching composition | Takamitsu Tamura, Masami Fujiwara | 1989-04-11 |