Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D672686 | Chain for a slide fastener | Eriko Masani | 2012-12-18 |
| 6340446 | Nickel-free white copper alloy | Kazuhiko Kita, Yasuharu Yoshimura, Takahiro Fukuyama | 2002-01-22 |
| 5035029 | Slide fastener and fastener elements therefor | Yoshiyuki Horita, Kiyoshi Nakayama, Norio Kikukawa, Yoshiharu Yamaguchi, Shigeru Funakawa | 1991-07-30 |
| 5023394 | Slide fastener chain for shielding the electromagnetic wave | Kozo Watanabe | 1991-06-11 |
| 4615215 | Method and apparatus for testing ready-mixed concrete | Sadao Wada, Naoyosi Tanide, Osamu Kawabata, Tadashi Yamaguchi, Shozo Yano +3 more | 1986-10-07 |