Issued Patents All Time
Showing 51–75 of 112 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5892095 | Cyano group-containing oxime sulfonate compounds | Hideo Hada, Hiroshi Komano | 1999-04-06 |
| 5874195 | Positive-working photoresist composition | Kazufumi Sato, Kazuyuki Nitta, Akiyoshi Yamazaki, Yoshika Sakai | 1999-02-23 |
| 5863710 | Developer solution for photolithographic patterning | Kazumasa Wakiya, Masakazu Kobayashi | 1999-01-26 |
| 5856058 | Chemical-sensitization positive-working photoresist composition | Kazufumi Sato, Kazuyuki Nitta, Akiyoshi Yamazaki, Yoshika Sakai | 1999-01-05 |
| 5854357 | Process for the production of polyhydroxstyrene | Mitsuru Sato, Kazuyuki Nitta, Akiyoshi Yamazaki, Etsuko Iguchi, Yoshika Sakai +1 more | 1998-12-29 |
| 5853948 | Positive photoresist compositions and multilayer resist materials using the same | Atsushi Sawano, Junichi Mizuta, Kousuke Doi, Hidekatsu Kohara | 1998-12-29 |
| 5817444 | Positive-working photoresist composition and multilayered resist material using the same | Kazufumi Sato, Kazuyuki Nitta, Akiyoshi Yamazaki, Yoshika Sakai | 1998-10-06 |
| 5800964 | Photoresist composition | Mitsuru Sato, Kazuyuki Nitta, Hideo Hada, Tatsuya Hashiguchi, Hiroshi Komano | 1998-09-01 |
| 5795702 | Photoresist stripping liquid compositions and a method of stripping photoresists using the same | Masahito Tanabe, Kazumasa Wakiya, Masakazu Kobayashi | 1998-08-18 |
| 5795378 | Coating solution for silica-based coating film and method for the preparation thereof | Yoshinori Sakamoto, Yoshio Hagiwara | 1998-08-18 |
| 5792274 | Remover solution composition for resist and method for removing resist using the same | Masahito Tanabe, Kazumasa Wakiya, Masakazu Kobayashi | 1998-08-11 |
| 5783362 | Liquid coating composition for use in forming photoresist coating films and a photoresist material using said composition | Kazumasa Wakiya, Masakazu Kobayashi | 1998-07-21 |
| 5770343 | Positive-working photoresist composition | Kazufumi Sato, Kazuyuki Nitta, Akiyoshi Yamazaki, Yoshika Sakai | 1998-06-23 |
| 5762697 | Coating solution for silica-based coating film and method for the preparation thereof | Yoshinori Sakamoto, Yoshio Hagiwara | 1998-06-09 |
| 5756255 | Undercoating composition for photolithography | Mitsuru Sato, Katsumi Oomori, Kiyoshi Ishikawa, Etsuko Iguchi | 1998-05-26 |
| 5753421 | Stock developer solutions for photoresists and developer solutions prepared by dilution thereof | Mitsuru Sato, Masakazu Kobayashi | 1998-05-19 |
| 5747224 | Stock developer solutions for photoresists and developer solutions prepared by dilution thereof | Mitsuru Sato, Masakazu Kobayashi | 1998-05-05 |
| 5738968 | Positive photoresist composition | Hiroshi Hosoda, Taku Hirayama, Kousuke Doi, Satoshi Niikura, Hidekatsu Kohara | 1998-04-14 |
| 5736296 | Positive resist composition comprising a mixture of two polyhydroxystyrenes having different acid cleavable groups and an acid generating compound | Mitsuru Sato, Kazuyuki Nitta, Akiyoshi Yamazaki, Etsuko Iguchi, Yoshika Sakai +1 more | 1998-04-07 |
| 5728504 | Positive photoresist compositions and multilayer resist materials using the same | Hiroshi Hosoda, Satoshi Niikura, Atsushi Sawano, Tatsuya Hashiguchi, Kazuyuki Nitta +1 more | 1998-03-17 |
| 5714625 | Cyanooxime sulfonate compound | Hideo Hada, Tatsuya Hashiguchi, Hiroshi Komano | 1998-02-03 |
| 5702862 | Positive photoresist coating solution comprising a mixed solvent of propylene glycol monopropyl ether and 2-heptanone | Hayato Ohno, Taku Nakao, Hisanobu Harada, Shinichi Hidesaka, Hidekatsu Kohara | 1997-12-30 |
| 5702861 | Positive photoresist composition | Satoshi Niikura, Takako Suzuki, Kousuke Doi, Hidekatsu Kohara | 1997-12-30 |
| 5662961 | Method for forming a protective coating film on electronic parts and devices | Katsuya Tanitsu, Atsushi Kawakami, Hatsuyuki Tanaka | 1997-09-02 |
| 5631314 | Liquid coating composition for use in forming photoresist coating films and photoresist material using said composition | Kazumasa Wakiya, Masakazu Kobayashi | 1997-05-20 |