Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10161023 | Steel sheet for hot stamping, method for production thereof, and hot stamping steel material | Toshimasa Tomokiyo | 2018-12-25 |
| 9903023 | Hot rolled steel sheet and method for manufacturing the same | Naoki Maruyama, Tatsuo Yokoi, Atsushi Seto, Atsushi Itami | 2018-02-27 |
| 9617624 | Steel sheet for hot stamping member and method of producing same | Jun Maki | 2017-04-11 |
| 9523134 | Method for producing a high strength hot-rolled steel plate exhibiting excellent acid pickling property, chemical conversion processability, fatigue property, stretch flangeability, and resistance to surface deterioration during molding, and having isotropic strength and ductility | Shinya Saitoh, Masashi Fukuda, Hiroyuki Okada, Kunio Hayashi, Toshimasa Tomokiyo +1 more | 2016-12-20 |
| 9353424 | High strength steel sheet excellent in delayed fracture resistance and low temperature toughness, and high strength member manufactured using the same | Toshimasa Tomokiyo | 2016-05-31 |
| 8852360 | High strength hot-rolled steel plate exhibiting excellent acid pickling property, chemical conversion processability, fatigue property, stretch flangeability, and resistance to surface deterioration during molding, and having isotropic strength and ductility | Shinya Saitoh, Masashi Fukuda, Hiroyuki Okada, Kunio Hayashi, Toshimasa Tomokiyo +1 more | 2014-10-07 |
| 5164336 | Method of connecting TAB tape to semiconductor chip, and bump sheet and bumped tape used in the method | Yasuhide Ohno, Tadakatsu Maruyama, Hiroaki Otsuka | 1992-11-17 |
| 5114878 | Method of bonding bumps to leads of tab tape and an apparatus for arranging bumps used for the same | Tadakatsu Maruyama, Yasuhide Ohno, Masashi Konda, Tosiharu Kikuchi, Yasuhiro Suzuki +2 more | 1992-05-19 |