Issued Patents 2004
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6826567 | Registration method and search method for structured documents | Natsuko Sugaya, Tadataka Matsubayashi, Takuya Okamoto, Yasushi Kawashimo | 2004-11-30 |
| 6757676 | Text mining method and apparatus allowing a user to analyze contents of a document set from plural analysis axes | Natsuko Sugaya, Tadataka Matsubayashi, Akihiko Yamaguchi, Yasuhiko Inaba, Mikihiko Tokunaga | 2004-06-29 |
| 6738786 | Data display method and apparatus for use in text mining | Natsuko Sugaya, Yoshifumi Sato, Tadataka Matsubayashi, Yasuhiko Inaba, Mikihiko Tokunaga | 2004-05-18 |
| 6713225 | 1,2-Naphthoquinone-2-diazidesulfonate ester photosensitive agent, method for producing the photosensitive agent, and photoresist composition | Hirotada Iida, Miharu Suwa, Yuichi Hagiwara, Suehiro Katori, Tsuneaki Miyazaki | 2004-03-30 |