Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10763112 | Method for manufacturing device | — | 2020-09-01 |
| 9512331 | Surface treatment agent for zinc or zinc alloy coated steel sheet, zinc or zinc alloy coated steel sheet, and method of producing the steel sheet | Toru Imokawa, Nobue Fujibayashi, Takahiro Kubota, Masayasu Nagoshi | 2016-12-06 |
| 9200165 | Surface treatment liquid for zinc or zinc alloy coated steel sheet, zinc or zinc alloy-coated steel sheet, and method for manufacturing the same | Toru Imokawa, Takahiro Kubota, Masayasu Nagoshi | 2015-12-01 |
| 8900962 | Method for manufacturing semiconductor device | Daisuke Yamashita, Hideki Nozaki, Hironobu Shibata | 2014-12-02 |
| 8304092 | Surface-treated galvanized steel sheet with superior flat-portion corrosion resistance, blackening resistance, and appearance and corrosion resistance after press forming and aqueous surface-treatment liquid for galvanized steel sheet | Kazuhisa Okai, Rie Umebayashi, Akira Matsuzaki, Satoru Ando | 2012-11-06 |
| 7875363 | Surface-treated steel sheet | Kazuhisa Okai, Syuji Nomura | 2011-01-25 |
| 7338718 | Zinc hot dip galvanized steel plate excellent in press formability and method for production thereof | Shoichiro Taira, Masaki Tada, Yoshiharu Sugimoto, Masayasu Nagoshi, Takashi Kawano +3 more | 2008-03-04 |
| 6677053 | Surface-treated steel sheet and production method therefor | Takafumi Yamaji, Kenji Morita, Akira Matsuzaki, Masaaki Yamashita | 2004-01-13 |
| 6060899 | Semiconductor device with test circuit | — | 2000-05-09 |