Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5410216 | Gas discharge tube capable of lighting in different colors | Masaaki Kimoto, Ryohei Itatani | 1995-04-25 |
| 4321506 | Discharge lamp and lighting equipment | Michihiro Tsuchihashi, Ryohei Itatani, Yutaka Murai | 1982-03-23 |