Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7194530 | System for managing a network | Makoto Kayashima, Hiromi Isokawa, Toru Senoo | 2007-03-20 |
| 6732546 | Product method of synthetic silica glass and thermal treatment apparatus | Shouji Yajima, Hiroyuki Hiraiwa | 2004-05-11 |