Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6784128 | Optical glass for molding | Masaaki Otsuka, Koichi Tsuchiya, Naruhito Sawanobori, Shinobu Nagahama | 2004-08-31 |
| 6716512 | Honeycomb structure and process for production thereof | Naomi Noda, Takashi Harada | 2004-04-06 |