Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7977292 | Cleaning composition and process for producing semiconductor device | Hiroshi Matsunaga, Masaru Ohto, Hiroshi Yoshida | 2011-07-12 |
| 4311368 | Light shielding material | Takeshi Saito, Takashi Ueno | 1982-01-19 |