Issued Patents 2003
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6652343 | Method for gettering an image display apparatus | Mitsutoshi Hasegawa, Ihachiro Gofuku, Yasuhiro Hamamoto, Kazuya Shigeoka | 2003-11-25 |
| 6621220 | Envelope and image-forming apparatus using the same | Mitsutoshi Hasegawa, Kazuya Shigeoka, Hiroharu Ueda | 2003-09-16 |
| 6617773 | Electron-emitting device, electron source, and image-forming apparatus | Keisuke Yamamoto, Miki Tamura | 2003-09-09 |
| 6559596 | Getter, air tight chamber and image forming apparatus having getter, and manufacturing method of getter | Mitsutoshi Hasegawa, Kazuya Shigeoka | 2003-05-06 |
| 6524501 | Pitch fiber bundle and pitch type carbon fiber bundle and method for production thereof | Yoshiyuki Doken, Tsutomu Nakamura | 2003-02-25 |