Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7771911 | Process for producing photoresist composition, filter, coater and photoresist composition | Hideo Hada, Takeshi Iwai, Masaaki Shimazaki, Masaaki Muroi, Kota Atsuchi +1 more | 2010-08-10 |
| 7312015 | Process for refining crude resin for electronic material | Hideo Hada, Takeshi Iwai, Masaru Takeshita, Ryotaro Hayashi, Masaaki Muroi +2 more | 2007-12-25 |
| 7276575 | Process for refining crude resin for resist | Hideo Hada, Takeshi Iwai, Miwa Miyairi, Masaaki Muroi, Kota Atsuchi | 2007-10-02 |