Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5208400 | Process for producing allyl bromides | Ryuichi Mita, Yuji Fukunaga, Mitsumasa Umemoto, Yasuhiro Matsuki | 1993-05-04 |
| 4873373 | Process for preparation of 3-phenoxybenzyl 2-(4-alkoxyphenyl)-2-methylpropyl ethers | Mitsumasa Umemoto, Tamotsu Asano, Akinobu Takagi, Nobuyasu Tamura, Takeshi Nishida | 1989-10-10 |