Issued Patents All Time
Showing 126–129 of 129 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4758295 | Method of stopping leakage of water in concrete structure | Minoru Sawaide, Humiharu Machi, Shigeo Shimizu | 1988-07-19 |
| 4688567 | Gas mask | Goro Kikuchi, Takeshi Kumazawa | 1987-08-25 |
| 4451165 | Ink ribbon folding mechanism for a printing apparatus | Toshiharu Fudatsuji, Tsutomu Imagi | 1984-05-29 |
| 4290910 | Fatty emulsion and process for the preparation thereof | Kiyoshi Harada, Yoshiyuki Koida | 1981-09-22 |