Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10141547 | Nonaqueous secondary battery and method for manufacturing same | Takahiro Asai, Kaoru Ishikawa | 2018-11-27 |
| 9964851 | Resist pattern forming method and developer for lithography | Kazufumi Sato, Tomoya Kumagai, Masahito Yahagi, Kenta Suzuki, Takayoshi Mori +1 more | 2018-05-08 |
| 7666569 | Positive resist composition and method for forming resist pattern | Kazufumi Sato, Daisuke Kawana | 2010-02-23 |
| 7402372 | Positive resist composition and method of forming resist pattern | Taku Nakao, Kazuyuki Nitta | 2008-07-22 |
| 6730769 | Novolak resin, production process thereof and positive photoresist composition using the novolak resin | Akira Katano, Ken Miyagi, Toshiaki Tachi | 2004-05-04 |
| 6680155 | Positive photoresist composition | Toshiaki Tachi, Kenji Maruyama | 2004-01-20 |
| 6630279 | Positive photoresist composition | Toshiaki Tachi, Kenji Maruyama | 2003-10-07 |
| 6120969 | Polyphenol compound, quinonediazide ester and positive photoresist composition | Kousuke Doi, Hidekatsu Kohara, Toshimasa Nakayama, Tetsuya Nakajima | 2000-09-19 |