Issued Patents All Time
Showing 1–25 of 31 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6335141 | Chemically amplified positive resist composition, pattern forming method, and method for preparing polymer having a crosslinking group | Satoshi Watanabe, Osamu Watanabe, Tomoyoshi Furihata, Shigehiro Nagura, Toshinobu Ishihara +1 more | 2002-01-01 |
| 6312869 | Chemically amplified positive resist composition, pattern forming method, and method for preparing polymer having a crosslinking group | Satoshi Watanabe, Osamu Watanabe, Tomoyoshi Furihata, Shigehiro Nagura, Toshinobu Ishihara +1 more | 2001-11-06 |
| 6114462 | Chemically amplified positive resist composition, pattern forming method, and method for preparing polymer having a crosslinking group | Satoshi Watanabe, Osamu Watanabe, Tomoyoshi Furihata, Shigehiro Nagura, Toshinobu Ishihara +1 more | 2000-09-05 |
| 6022665 | Polymers and chemically amplified positive resist compositions | Osamu Watanabe, Junji Tsuchiya, Toshinobu Ishihara | 2000-02-08 |
| 5942367 | Chemically amplified positive resist composition, pattern forming method, and method for preparing polymer having a crosslinking group | Satoshi Watanabe, Osamu Watanabe, Tomoyoshi Furihata, Shigehiro Nagura, Toshinobu Ishihara +1 more | 1999-08-24 |
| 5844057 | Polymers and chemically amplified positive resist compositions | Osamu Watanabe, Junji Tsuchiya, Toshinobu Ishihara | 1998-12-01 |
| 5772925 | Anti-reflective coating composition | Satoshi Watanabe, Toshinobu Ishihara, Ichiro Kaneko, Katsuyuki Oikawa | 1998-06-30 |
| 5759739 | Resist composition with polymeric dissolution inhibitor and alkali soluble resin | Katsuya Takemura, Toshinobu Ishihara, Kazumasa Maruyama, Minoru Shigemitsu, Ken'ichi Itoh | 1998-06-02 |
| 5691112 | Sulfonium salt and chemically amplified positive resist composition | Satoshi Watanabe, Youichi Ohsawa, Toshinobu Ishihara, Kazumasa Maruyama, Junji Shimada +2 more | 1997-11-25 |
| 5633409 | Tristertbutoxyphenyl sulfonium tosylate compound | Satoshi Watanabe, Youichi Ohsawa, Toshinobu Ishihara, Kazumasa Maruyama, Junji Shimada +2 more | 1997-05-27 |
| 5580936 | Method for preparing partially tert-butoxylated poly(p-hydroxystyrene) | Junji Tsuchiya, Katsuya Takemura, Osamu Watanabe, Toshinobu Ishihara | 1996-12-03 |
| 5529888 | Water-soluble film forming composition | Satoshi Watanabe, Toshinobu Ishihara, Katsuyuki Oikawa | 1996-06-25 |
| 5393815 | Silazane-based, heat resistant, dielectric coating compositions | Toshinobu Ishihara, Hiromi Ohsaki | 1995-02-28 |
| 5352564 | Resist compositions | Toshinobu Ishihara, Ken'ichi Itoh, Kazumasa Maruyama | 1994-10-04 |
| 5296418 | Method for manufacturing a hafnium-containing silazane polymer and a method for manufacturing a ceramic from said polymer | Akira Hayashida | 1994-03-22 |
| 5254411 | Formation of heat-resistant dielectric coatings | Toshinobu Ishihara, Kenichi Ito | 1993-10-19 |
| 5210058 | Method for preparing organic silazane polymers and method for preparing ceramics from the polymers | Akira Hayashida, Toshinobu Ishihara | 1993-05-11 |
| 5200371 | Method for preparing organic silazane polymers and method for preparing ceramics from the polymers | Akira Hayashida | 1993-04-06 |
| 5183875 | Method for manufacturing a hafnium-containing silazane polymer and a method for manufacturing a ceramic from said polymer | Akira Hayashida | 1993-02-02 |
| 5157096 | Method and apparatus for preparing organic silazane polymer and method for preparing inorganic fibers | Yoshio Hasegawa, Minoru Takamizawa, Akira Hayashida | 1992-10-20 |
| 5075474 | Method for preparing hexamethyl cyclotrisilazane | Hiromi Ohsaki, Toshinobu Ishihara, Akira Hayashida | 1991-12-24 |
| 5041515 | Methods for preparing polytitanocarbosilazane polymers and ceramics therefrom | Minoru Takamizawa, Akira Hayashida | 1991-08-20 |
| 5008348 | Infusibilization of organic silazane polymers | Minoru Takamizawa, Akira Hayashida | 1991-04-16 |
| 4948763 | Preparation of hollow ceramic fibers | Akira Hayashida, Minoru Takamizawa | 1990-08-14 |
| 4869854 | Process for manufacturing organic silazane polymers and ceramics therefrom | Minoru Takamizawa, Akira Hayashida | 1989-09-26 |