Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6985592 | Multipurpose earphone set | Satoshi Ban | 2006-01-10 |
| 6861039 | Method for purification of phosphoric acid high purity polyphosphoric acid | Fuyuhiko Kubota | 2005-03-01 |
| 6617414 | Aromatic diamine/aromatic dicarboxylate and production method thereof | Fuyuhiko Kubota | 2003-09-09 |
| 6565786 | Method for producing formed article from polyphosphoric acid solution | Yoshihiko Teramoto, Shoichi Uemura | 2003-05-20 |
| 5919890 | Method for production of polybenzazole | Fuyuhiko Kubota, Yoshio Araki, Masakatsu Ohguchi | 1999-07-06 |
| 5714618 | Polymer containing lactic acid as its constituting unit and method for producing the same | Kunio Kimura, Takeshi Ito, Tomohiro Aoyama, Keiichi Uno, Minako Arichi | 1998-02-03 |
| 5618911 | Polymer containing lactic acid as its constituting unit and method for producing the same | Kunio Kimura, Takeshi Ito, Tomohiro Aoyama, Keiichi Uno, Minako Arichi | 1997-04-08 |