Issued Patents All Time
Showing 26–33 of 33 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D727895 | Display device | Byeong-Yong Song, Jin-Soo Ha | 2015-04-28 |
| D548246 | MP3 player | — | 2007-08-07 |
| D547773 | MP3 player | — | 2007-07-31 |
| D547329 | MP3 player | — | 2007-07-24 |
| 6152446 | Pachinko game machine mounting unit and method of producing pachinko island | Kazuhiko Takano, Akio Yokota, Kazuo Fukai, Shohachi Ugawa | 2000-11-28 |
| 4456477 | Production of ultra-low phosphorus steel | Seiichi Masuda, Tohru Matsuo, Yoshimichi Ohkita, Hidemasa Nakajima, Shozo Okamura +2 more | 1984-06-26 |
| 4450004 | Dephosphorization and desulfurization method for molten iron alloy containing chromium | Tohru Matsuo | 1984-05-22 |
| 4426224 | Lance for powder top-blow refining and process for decarburizing and refining steel by using the lance | Kaoru Shimme, Masayuki Taga | 1984-01-17 |