Issued Patents 1997
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5700601 | Photomask, manufacture of photomask, formation of pattern, manufacture of semiconductor device, and mask pattern design system | Norio Hasegawa, Tsuneo Terasawa, Hiroshi Fukuda, Katsuya Hayano, Akemi Moniwa +1 more | 1997-12-23 |
| 5698355 | Photosensitive body for electrophotography | Takeshi Agata, Yasuo Yamamoto, Yutaka Sugizaki, Katsuhiro Sato | 1997-12-16 |
| 5691115 | Exposure method, aligner, and method of manufacturing semiconductor integrated circuit devices | Yoshihiko Okamoto, Tsuneo Terasawa, Norio Hasegawa, Shinji Okazaki | 1997-11-25 |
| 5684830 | Noise removing device and data communication apparatus using the same | Yuji Ichikawa, Katsuya Nakagawa, Hiroshi Uno | 1997-11-04 |
| 5656397 | Mask having a phase shifter and method of manufacturing same | Norio Hasegawa, Hiroshi Fukuda, Toshihiko Tanaka | 1997-08-12 |
| 5654119 | Organic electronic device comprising charge-transporting polyester and image forming apparatus | Toru Ishii, Fumio Ojima, Kiyokazu Mashimo, Tomozumi Uesaka, Tomoo Kobayashi +2 more | 1997-08-05 |
| 5649188 | Electronic filing apparatus which allows information to be retrieved based on a box, a date, or a card associated with the information | Keiichi Nomura, Hirofumi Endo, Yasuhiro Ii, Yuko Ogasawara, Mitsuhiro Kawai +3 more | 1997-07-15 |
| 5639581 | Charge transporting polymer, process for producing the same, and organic electronic device containing the same | Masahiro Iwasaki, Katsumi Nukada, Katsuhiro Sato | 1997-06-17 |
| 5604064 | Charge-transporting polymer and organic electronic device using the same | Katsumi Nukada, Masahiro Iwasaki, Ryosaku Igarashi | 1997-02-18 |
| 5592483 | Data communication apparatus achieving efficient use of the media | Kaoru Hieda, Masahiko Tsukamoto | 1997-01-07 |