Issued Patents 1994
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5322541 | Method of producing glass blank | Yoshiyuki Shimizu, Shoji Nakamura, Masaaki Sunohara, Tadao Shioyama, Noriyuki Kawata | 1994-06-21 |
TY
Tadayoshi Yonemoto
Sumita Optical Glass: 1 patents #2 of 9Top 25%
Overall (1994): #61,734 of 165,921Top 40%
1
Patents 1994