Issued Patents 2011
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8074967 | Gate valve for vacuum and seal member used therefor | — | 2011-12-13 |
| 8017037 | Fluorescent substance and light emitting device using the same | Maki Minamoto, Koutoku Ohmi | 2011-09-13 |