Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6541038 | Method for treating wood with a metal-containing treating agent and wood treated thereby | Keijitsu Tanaka, Hirobumi Aoki | 2003-04-01 |
| 6537546 | Process for macromolecularizing phenolic compounds etc. and use thereof | Ritsuko Ohno | 2003-03-25 |
| 6190891 | Process for producing high-molecular-weight phenolic compounds with myrothecium | Ritsuko Ohno | 2001-02-20 |
| 6184014 | Bacterial polyphenol oxidase from bacillus for use in oxidation of colored substances | Ritsuko Ohno | 2001-02-06 |
| 5716815 | Method for preparing dimethylcarboxylic acid compounds | Masahiko Hiramoto, Keijitsu Tanaka | 1998-02-10 |