Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4696704 | Material for lead frames | Kazumasa Takeuchi, Takaharu Iwadachi | 1987-09-29 |
| 4692192 | Electroconductive spring material | Takaharu Iwadachi, Syuhei Ishikawa | 1987-09-08 |
| 4599119 | Age-hardening copper titanium alloy | Yoshio Itoh, Toshiaki Ishihara | 1986-07-08 |
| 4566915 | Process for producing an age-hardening copper titanium alloy strip | Yoshio Itoh, Toshiaki Ishihara | 1986-01-28 |