Issued Patents 2003
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6620978 | Positive photoresist composition and process for synthesizing polyphenol compound | Satoshi Shimatani, Ken Miyagi, Satoshi Niikura, Hidekatsu Kohara | 2003-09-16 |
| RE38254 | Positive resist composition | Kazufumi Sato, Kazuyuki Nitta, Akiyoshi Yamazaki, Yoshika Banba | 2003-09-16 |
| 6566031 | Positive photoresist composition, substrate with a photosensitive film and process for imaging a resist pattern | Takako Suzuki, Kousuke Doi, Hidekatsu Kohara | 2003-05-20 |