Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6935138 | Infra-red absorption glass for a reed switch | Koichi Hashimoto | 2005-08-30 |
| 6815385 | Tungsten sealing glass for use in a fluorescent lamp | Koichi Hashimoto | 2004-11-09 |
| 6727198 | Infrared absorbing glass for reed switch | Koichi Hashimoto | 2004-04-27 |
| 6724094 | Glass and glass tube for encapsulating semiconductors | — | 2004-04-20 |
| 6635592 | Tungsten seal glass for fluorescent lamp | Koichi Hashimoto | 2003-10-21 |
| 6534346 | Glass and glass tube for encapsulating semiconductors | — | 2003-03-18 |
| 5747399 | Glass for a fluorescent lamp | Koichi Hashimoto | 1998-05-05 |