Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9221946 | Polybutylene terephthalate resin pellets, and production method for said polybutylene terephthalate resin pellets | Kunihiro Hirata, Takayuki Ishikawa | 2015-12-29 |
| 6340543 | Photomask, manufacturing method thereof, and semiconductor device | Yoshikazu Nagamura, Kunihiro Hosono, Nobuyuki Yoshioka | 2002-01-22 |