Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5410847 | Junction structure between steel member and structural member | Yasuo Okawa, Akiyoshi Ito, Hiroshi Hayasaka, Naoki Tanaka, Kiyobumi Sugawara | 1995-05-02 |
| 4905436 | Column/beam joint structure | Hideshige Matsuo, Isamu Yamamato, Michio Itoh, Shue Suzuki, Mitsunobu Iwata +6 more | 1990-03-06 |
| 4333285 | Building structure | Hajime Koizumi, Kozo Toyama, Mikio Kobayashi, Hajime Hatano, Kaoru Mizukoshi +3 more | 1982-06-08 |
| 4211045 | Building structure | Hajime Koizumi, Kozo Toyama, Mikio Kobayashi, Hajime Hatano, Kaoru Mizukoshi +3 more | 1980-07-08 |