Issued Patents All Time
Showing 26–50 of 74 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| RE39437 | Negative thermal expansion glass ceramic | Ayako Yamaguchi | 2006-12-19 |
| 7148164 | Low expansion transparent glass-ceramics, glass-ceramic substrate and optical waveguide element | Hiroyuki Minamikawa, Kazuo Ohara | 2006-12-12 |
| 7101625 | Glass for a light filter and a light filter | — | 2006-09-05 |
| 7071132 | Low expansion transparent glass ceramics | Hiroyuki Minamikawa, Kazuo Ohara | 2006-07-04 |
| 7005187 | Glass for a light filter and a light filter | — | 2006-02-28 |
| 6819526 | Holding member for information storage disk and information storage disk drive device | Mariko Kataoka, Kousuke Nakajima, Junko Ishioka, Katsuhiko Yamaguchi, Toshitaka Yagi | 2004-11-16 |
| 6794043 | Glass-ceramics for a light filter | Junko Ishioka, Yasuyuki Kawashima | 2004-09-21 |
| 6677259 | Glass-ceramics for a light filter | Mariko Kataoka, Donald G. Polensky | 2004-01-13 |
| 6582826 | Glass-ceramics | Junko Ishioka, Yasuyuki Kawashima | 2003-06-24 |
| 6560049 | Light filter using glass ceramics | Mariko Kataoka, Donald G. Polensky | 2003-05-06 |
| 6521556 | Negative thermal expansion glass ceramic | Ayako Shindo | 2003-02-18 |
| 6506699 | Negative thermal expansion glass ceramic and method for producing the same | Ayako Shindo | 2003-01-14 |
| 6503857 | High rigidity glass-ceramic substrate | Kousuke Nakajima, Junko Ishioka, Katsuhiko Yamaguchi, Takayuki Kishi | 2003-01-07 |
| 6495480 | Glass-ceramic substrate for an information storage medium | — | 2002-12-17 |
| 6461733 | Glass for a light filter and light filter | — | 2002-10-08 |
| 6429160 | High rigidity glass-ceramic substrate | Kousuke Nakajima, Junko Ishioka, Katsuhiko Yamaguchi, Takayuki Kishi | 2002-08-06 |
| 6426311 | Glass-ceramics | Mariko Kataoka, Toshitaka Yagi | 2002-07-30 |
| 6420286 | Glass-ceramics | Junko Ishioka, Yasuyuki Kawashima | 2002-07-16 |
| 6413890 | Glass-ceramic substrate for a magnetic information storage medium | — | 2002-07-02 |
| 6410466 | Glass-ceramics for a light filter | Mariko Kataoka, Donald G. Polensky | 2002-06-25 |
| 6395368 | Glass-ceramic substrate for a magnetic information storage medium | Katsuhiko Yamaguchi | 2002-05-28 |
| 6387509 | Glass-ceramic substrate for a magnetic information recording medium | Kousuke Nakajima | 2002-05-14 |
| 6383645 | Glass-ceramic substrate for an information storage medium | Junko Ishioka, Yasuyuki Kawashima | 2002-05-07 |
| 6344423 | High rigidity glass-ceramic substrate for a magnetic information storage medium | Kousuke Nakajima, Junko Ishioka | 2002-02-05 |
| 6327874 | Method for manufacturing a glass-ceramic substrate for a magnetic information storage medium | — | 2001-12-11 |