Issued Patents All Time
Showing 51–52 of 52 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7030406 | Semiconductor photocathode and photoelectric tube using the same | Minoru Niigaki | 2006-04-18 |
| 6933581 | Semiconductor chip, terahertz electromagnetic-wave device, and method of manufacturing these | Minoru Niigaki | 2005-08-23 |