Issued Patents 1982
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4321506 | Discharge lamp and lighting equipment | Michihiro Tsuchihashi, Masatoshi Ryohko, Yutaka Murai | 1982-03-23 |
RI
Ryohei Itatani
Overall (1982): #32,390 of 81,411Top 40%
1
Patents 1982