Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5992320 | Transfer sheet, and pattern-forming method | Yozo Kosaka, Katsuhiko Mizuno, Takeshi Nakamura, Satoru Kuramochi, Masaaki Asano +1 more | 1999-11-30 |
| 5621072 | Purified guaiacum resin and method for making same | Masanao Watanabe, Kohji Kuroda | 1997-04-15 |
| 5219700 | Photosensitive composition containing 1,2-naphthoquinone-2-diazido-4-sulfonic acid ester, alkali-soluble resin, halomethyloxadiazole compound and a dye | Hideyuki Nakai, Kiyoshi Goto, Hiroshi Tomiyasu | 1993-06-15 |
| 5093082 | Purified guaiacum resin and method for making the same | Masanao Watanabe, Kohji Kuroda | 1992-03-03 |