Issued Patents All Time
Showing 51–74 of 74 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6287663 | Glass-ceramic substrate for a magnetic information storage medium | — | 2001-09-11 |
| 6245411 | High rigidity glass-ceramic substrate for a magnetic information storage medium | Kousuke Nakajima, Junko Ishioka | 2001-06-12 |
| 6204211 | Luminous glass ceramics | Kazuo Ohara, Satoru Matsumoto | 2001-03-20 |
| 6201663 | Magnetic head having a slider made of a glass-ceramic | Katsuhiko Yamaguchi | 2001-03-13 |
| 6197710 | Luminous glass ceramics | Kazuo Ohara, Satoru Matsumoto | 2001-03-06 |
| 6174827 | Glass-ceramic substrate for an information storage medium | Junko Ishioka, Yasuyuki Kawashima | 2001-01-16 |
| 6120922 | Glass-ceramic substrate for a magnetic information storage medium | — | 2000-09-19 |
| 6034011 | Glass-ceramic substrate for a magnetic head and a method for manufacturing the same | Katsuhiko Yamaguchi | 2000-03-07 |
| 6001445 | Simulation disk for measuring flying height of a magnetic head | Kazuhiro Itoh | 1999-12-14 |
| 5972816 | Glass-ceramic substrate for a magnetic information storage medium | — | 1999-10-26 |
| 5895767 | Crystallized glass and method for manufacturing the same | Katsuhiko Yamaguchi | 1999-04-20 |
| 5626935 | Magnetic disk substrate and method for manufacturing the same | Katsuhiko Yamaguchi | 1997-05-06 |
| 5603366 | Precure tread for retread tire | Shohachiro Nakayama, Toyomi Iwata, Masahiro Kuroda, Hiroshi Ueda, Michio Ishii | 1997-02-18 |
| 5591682 | Low expansion transparent glass-ceramic | — | 1997-01-07 |
| 5580363 | Method for detecting a defect in a glass-ceramic for magnetic disks | Katsuhiko Yamaguchi, Yasuyuki Kawashima | 1996-12-03 |
| 5567217 | Method for manufacturing a crystalized glass magnetic disk substrate | Katsuhiko Yamaguchi | 1996-10-22 |
| 5561089 | Glass-ceramic for information recording disk | Futoshi Ishizaki, Masashi Maekawa | 1996-10-01 |
| 5532194 | Cordierite glass-ceramic and method for manufacturing the same | Yasuyuki Kawashima | 1996-07-02 |
| 5445691 | Precure tread for tire including surface and rear grooves | Shohachiro Nakayama, Toyomi Iwata, Masahiro Kuroda, Hiroshi Ueda, Michio Ishii | 1995-08-29 |
| 5391522 | Glass-ceramic for magnetic disks and method for manufacturing the same | Katsuhiko Yamaguchi | 1995-02-21 |
| 5336643 | Low expansion transparent crystallized glass-ceramic | Hisao Yatsuda | 1994-08-09 |
| 5332700 | High dispersion optical glass | Katsuhiko Yamaguchi, Futoshi Ishizaki, Hisao Yatsuda, Goro Enomoto, Hideo Yasui | 1994-07-26 |
| 5275218 | Precure tread for a new tire, and retread tires | Shohachiro Nakayama, Toyomi Iwata, Masahiro Kuroda, Hiroshi Ueda, Michio Ishii | 1994-01-04 |
| 5048583 | Heavy duty pneumatic tires | Hiroshi Ueda | 1991-09-17 |