Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9399822 | Liquid compositions and methods of fabricating a semiconductor device using the same | Dong Min KANG, Hyungjun Jeon, Ingoo Kang, Jeong Kwon, Jung-Ig Jeon +3 more | 2016-07-26 |
| 9177827 | Etchant and method for manufacturing semiconductor device using same | — | 2015-11-03 |
| 8900478 | Etchant and method for manufacturing semiconductor device using same | Kensuke OHMAE | 2014-12-02 |
| 7232528 | Surface treatment agent for copper and copper alloy | Naoki Kogure, Kenichi Moriyama, Kenichi Takahashi, Atsushi Hosoda, Kazuhiko Ikeda | 2007-06-19 |
| 5805361 | Optical element, optical element molding die, and method of molding the optical element | Akira Morimoto, Yoshiyuki Shimizu | 1998-09-08 |
| 5328894 | Food-preserving agent | Hidechika Wakabayashi, Yasuo Sugihara, Futoshi Nakaya | 1994-07-12 |
| 5102673 | Oxygen absorbent | Yasuo Sugihara, Teruo Takeuchi, Hidechika Wakabayashi, Toshio Komatsu | 1992-04-07 |
| 4973705 | Method for the preparation of 1,3-oxathiolanes | — | 1990-11-27 |
| 4946955 | Method for the preparation of polycyclic 1,3-thiazolidines | — | 1990-08-07 |