Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5305224 | Fuzzy control for a lamp glass pipe sealing process | Masahiko Hishida, Terukuni Yokoyama, Yoshihiro Atsumi, Motonobu Masui | 1994-04-19 |
| 4975620 | Metal vapor discharge lamp and method of producing the same | Motonobu Masui | 1990-12-04 |
| 4827190 | Metal vapor discharge lamp and method of producing the same | Motonobu Masui | 1989-05-02 |