Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10163539 | High strength and high conductivity copper alloy rod or wire | Keiichiro Oishi | 2018-12-25 |
| 9512506 | High strength and high conductivity copper alloy rod or wire | Keiichiro Oishi | 2016-12-06 |
| 7524356 | Method for manufacturing low-oxygen copper | Haruhiko Asao, Yutaka Koshiba, Keiji Nogami, Tutomu Masui, Kenji Wakiguchi +2 more | 2009-04-28 |
| 6944930 | Method for manufacturing low-oxygen copper | Haruhiko Asao, Yutaka Koshiba, Keiji Nogami, Tutomu Masui, Kenji Wakiguchi +2 more | 2005-09-20 |
| 6682824 | Adhesion-resistant oxygen-free roughly drawn copper wire and method and apparatus for making the same | Yutaka Koshiba, Tutomu Masui, Yoshiaki Hattori | 2004-01-27 |
| 6589473 | Apparatus for manufacturing low-oxygen copper | Haruhiko Asao, Yutaka Koshiba, Keiji Nogami, Tutomu Masui, Kenji Wakiguchi +2 more | 2003-07-08 |
| 5146164 | Eddy current flaw detection apparatus employing a resonance circuit | Tsutomu Masui, Akio Ueno | 1992-09-08 |
| 4663141 | Process for recovering or purifying selenium | Noboru Sonoda, Naoyuki Hosoda | 1987-05-05 |