Issued Patents 1997
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5663114 | Catalyst for production of pyromellitic anhydride and method for production of pyromellitic anhydride | Tsukasa Takahashi, Tatsuya Kawabata, Masaaki Okuno, Yasuhisa Emoto, Yasushi Kiyooka | 1997-09-02 |
| 5660954 | Hologram and method of and apparatus for producing the same | Kazuhiro Suga, Atsushi Sekiguchi, Hiroyuki Nishimura | 1997-08-26 |
| 5649714 | Tool holder | Teruhisa Uchida, Takanori Hashimoto, Shigeaki Sato, Koichi Sugiura | 1997-07-22 |