Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6207841 | Bisphenol derivative and its manufacturing method | Minoru Takamizawa | 2001-03-27 |
| 5599949 | Bisphenol derivative and its manufacturing method | Minoru Takamizawa | 1997-02-04 |
| 5512417 | Positive resist composition comprising a bis (t-butoxycarbonylmethly(thymolphthalein as a dissolution inhibitor | Hiroshi Ban, Akinobu Tanaka, Jun Watanabe, Minoru Takamizawa | 1996-04-30 |