Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| RE36838 | Glass bulb for a cathode ray and a method of producing the same | Tsunehiko Sugawara, Toshikazu Ikezawa, Toshihide Murakami, Yusuke Kobayashi | 2000-08-29 |
| 5536995 | Glass bulb for a cathode ray and a method of producing the same | Tsunehiko Sugawara, Toshikazu Ikezawa, Toshihide Murakami, Yusuke Kobayashi | 1996-07-16 |
| 5180412 | Apparatus for forming a glass product and a method for forming a glass product | Yoshihiro Tsuchimoto, Toshikazu Ikezawa, Naoya Shimizu | 1993-01-19 |