Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5220237 | Metal halide lamp apparatus | Kyoichi Maseki, Kazutoshi Kurosawa | 1993-06-15 |
| 5220244 | Metal halide discharge lamp | Kyoichi Maseki, Masao Niijima, Shinya Suzuki, Kazushi Tominaga | 1993-06-15 |