Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4451518 | Reinforcing member | Hiroto Kikuchi, Yukio Okada, Tsutomu Yoshioka | 1984-05-29 |
| 4399174 | Reinforcing material | Kazunori Tanaka, Yukio Nagata, Yukio Okada | 1983-08-16 |
| 4397914 | Reinforcing material for a panel | Yukio Nagata, Yukio Okada | 1983-08-09 |
| 4378394 | Reinforcing member | Yukio Nagata, Yukio Okada | 1983-03-29 |
| 4378395 | Reinforcing material | Eishi Asoshina, Takashi Tominaga, Tadahiro Muguruma, Masato Shimizu, Yukio Nagata +1 more | 1983-03-29 |