Issued Patents All Time
Showing 26–26 of 26 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5560788 | Heat resisting steels | Masayuki Yamada, Yoichi Tsuda, Eiji Maeda, Tsukasa Azuma | 1996-10-01 |
RI
Ryuichi Ishii
Kabushiki Kaisha Toshiba: 11 patents #2,779 of 21,451Top 15%
The Japan Steel Works: 1 patents #307 of 643Top 50%
Overall (All Time): #149,352 of 4,157,543Top 4%
26
Patents All Time