Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4864194 | Electrodeless discharge lamp device | Koichi Kobayashi, Masaki Shinomiya, Masahiro Higashikawa, Shin Ukegawa | 1989-09-05 |
| 4818863 | Ion source for use in a mass spectrometer | Kiichiro Otsuka, Eiji Kubota, Tatsuji Kobayashi | 1989-04-04 |
| 4810878 | Ion source for mass spectrometer | — | 1989-03-07 |