Issued Patents All Time
Showing 26–26 of 26 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4909820 | Method of and an apparatus for bending glass plates for a laminated glass | Takashi Hirotsu, Yukiyasu Mori, Hiroshi Tsuji, Yoshihiro Watanabe | 1990-03-20 |
TS
Tatsuo Sugiyama
Asahi Glass Co.: 6 patents #330 of 2,251Top 15%
Ihara Chemical Industry Co.: 4 patents #76 of 263Top 30%
Panasonic: 3 patents #7,617 of 21,108Top 40%
Kuraray Co.: 1 patents #981 of 1,827Top 55%
Japan Tobacco: 1 patents #582 of 1,187Top 50%
Overall (All Time): #156,178 of 4,157,543Top 4%
26
Patents All Time