Issued Patents All Time
Showing 26–45 of 45 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8329604 | Silica glass containing TiO2 and process for its production | Yasutomi Iwahashi | 2012-12-11 |
| 8240172 | Process for production of synthetic quartz glass | Chikaya Tamitsuji, Kunio Watanabe | 2012-08-14 |
| 8178450 | TiO2-containing silica glass and optical member for EUV lithography using high energy densities as well as special temperature controlled process for its manufacture | Kenta Saito, Long Shao, Yasutomi Iwahashi, Shinya Kikugawa | 2012-05-15 |
| 8093165 | TiO2-containing silica glass and optical member for EUV lithography using the same | Yasutomi Iwahashi, Shinya Kikugawa, Yuko Tachibana | 2012-01-10 |
| 8039409 | TiO2-containing silica glass for optical member for EUV lithography | Kenta Saitou, Mitsuhiro Kawata | 2011-10-18 |
| 8034731 | TIO2-containing silica glass and optical member for lithography using the same | Yasutomi Iwahashi, Shinya Kikugawa | 2011-10-11 |
| 8012653 | Substrate for EUV mask blanks | Ken Ebihara | 2011-09-06 |
| 7998892 | TiO2-containing silica glass and optical member for lithography using the same | Yasutomi Iwahashi, Shinya Kikugawa | 2011-08-16 |
| 7989378 | TiO2-containing silica glass | Yasutomi Iwahashi, Shinya Kikugawa | 2011-08-02 |
| 7538052 | Silica glass containing TiO2 and process for its production | Yasutomi Iwahashi | 2009-05-26 |
| 7462574 | Silica glass containing TiO2 and optical material for EUV lithography | Yasutomi Iwahashi | 2008-12-09 |
| 7429546 | Silica glass containing TiO2 and process for its production | Yasutomi Iwahashi | 2008-09-30 |
| 7419924 | Silica glass containing TiO2 and process for its production | Yasutomi Iwahashi, Yasuyuki Takimoto, Shinya Kikugawa | 2008-09-02 |
| 7410922 | Silica glass containing TiO2 and process for its production | Yasutomi Iwahashi | 2008-08-12 |
| 7294595 | Silica glass | Yasutomi Iwahashi | 2007-11-13 |
| 6537937 | Alkali-free glass | Manabu Nishizawa, Yasumasa Nakao, Junichiro Kase | 2003-03-25 |
| 6387510 | Glass for a data storage medium substrate and glass substrate for data storage media | Tetsuya Nakashima, Yasumasa Nakao | 2002-05-14 |
| D323635 | Automobile | Tamotsu Okamoto, Fumihito Takayama | 1992-02-04 |
| 4860369 | Flat speaker unit | Katsumi Koshimura | 1989-08-22 |
| D297920 | Automobile | Masato Nakano, Yusuke Saito | 1988-10-04 |