Issued Patents All Time
Showing 1–25 of 33 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12312809 | Gypsum-based load-bearing board, load-bearing wall structure, and load-bearing wall construction method for wooden construction building | Ushio Sudo, Wataru Nakamura, Tomoya Hasegawa, Muneyoshi Nagano, Masahiro Wada +2 more | 2025-05-27 |
| 7333983 | Method of and an apparatus for retrieving and delivering documents and a recording media on which a program for retrieving and delivering documents are stored | Yasuhiko Inaba, Tadataka Matsubayashi, Takuya Okamoto, Natsuko Sugaya, Yousuke Ushiroji | 2008-02-19 |
| 7231388 | Similar document retrieving method and system | Tadataka Matsubayashi, Yoshifumi Sato, Yasuhiko Inaba, Shin Yamamoto | 2007-06-12 |
| 7200587 | Method of searching similar document, system for performing the same and program for processing the same | Tadataka Matsubayashi, Yoshifumi Sato, Yasuhiko Inaba, Jugo Noda | 2007-04-03 |
| 7080099 | Method and system for storing and managing electronic mail | Toru Takahashi | 2006-07-18 |
| 7054860 | Method and system for retrieving a document and computer readable storage medium | Yasuhiko Inaba, Natsuko Sugaya, Tadataka Matsubayashi, Akihiko Yamaguchi, Mikihiko Tokunaga | 2006-05-30 |
| 7047238 | Document retrieval method and document retrieval system | Hisashi Takatori | 2006-05-16 |
| 7039636 | Document retrieval method and document retrieval system | Takuya Okamoto, Natsuko Sugaya, Tadataka Matsubayashi, Yasuhiko Inaba, Yasushi Kawashimo | 2006-05-02 |
| 7010519 | Method and system for expanding document retrieval information | Naohiro Koizumi, Hisashi Takatori | 2006-03-07 |
| 6865571 | Document retrieval method and system and computer readable storage medium | Yasuhiko Inaba, Natsuko Sugaya, Tadataka Matsubayashi, Akihiko Yamaguchi, Mikihiko Tokunaga | 2005-03-08 |
| 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 |
| 6665667 | Method of and an apparatus for retrieving and delivering documents and a recording media on which a program for retrieving and delivering documents are stored | Yasuhiko Inaba, Tadataka Matsubayashi, Takuya Okamoto, Natsuko Sugaya, Yousuke Ushiroji | 2003-12-16 |
| 6665668 | Document retrieval method and system and computer readable storage medium | Natsuko Sugaya, Tadataka Matsubayashi, Akihiko Yamaguchi, Yasuhiko Inaba, Yousuke Ushiroji | 2003-12-16 |
| 6549898 | Method of and an apparatus for retrieving and delivering documents and a recording media on which a program for retrieving and delivering documents are stored | Yasuhiko Inaba, Tadataka Matsubayashi, Takuya Okamoto, Natsuko Sugaya, Yousuke Ushiroji | 2003-04-15 |
| 6510425 | Document search method for registering documents, generating a structure index with elements having position of occurrence in documents represented by meta-nodes | Takuya Okamoto, Toru Takahashi, Hisamitsu Kawaguchi, Noriyuki Yamasaki | 2003-01-21 |
| 6496820 | Method and search method for structured documents | Natsuko Sugaya, Tadataka Matsubayashi, Takuya Okamoto, Yasushi Kawashimo | 2002-12-17 |
| 6490583 | Information registration method and document information processing apparatus | Kazuhiro Hashimoto, Shigeru Kameda, Noriyuki Yamasaki, Akio Azuma | 2002-12-03 |
| 6473754 | METHOD AND SYSTEM FOR EXTRACTING CHARACTERISTIC STRING, METHOD AND SYSTEM FOR SEARCHING FOR RELEVANT DOCUMENT USING THE SAME, STORAGE MEDIUM FOR STORING CHARACTERISTIC STRING EXTRACTION PROGRAM, AND STORAGE MEDIUM FOR STORING RELEVANT DOCUMENT SEARCHING PROGRAM | Tadataka Matsubayashi, Takuya Okamoto, Natsuko Sugaya, Yasushi Kawashimo | 2002-10-29 |
| 6377946 | Document search method and apparatus and portable medium used therefor | Takuya Okamoto, Toru Takahashi, Hisamitsu Kawaguchi, Noriyuki Yamasaki | 2002-04-23 |
| 6334130 | Information registration method and document information processing apparatus | Kazuhiro Hashimoto, Shigeru Kameda, Noriyuki Yamasaki, Akio Azuma | 2001-12-25 |
| 6178422 | Information registration method and document information processing apparatus | Kazuhiro Hashimoto, Shigeru Kameda, Noriyuki Yamasaki, Akio Azuma | 2001-01-23 |
| 5887171 | Document management system integrating an environment for executing an agent and having means for changing an agent into an object | Kazuhiro Hashimoto, Shigeru Kameda, Noriyuki Yamasaki, Yoshiki Matsuda, Tetsuya Hashimoto +1 more | 1999-03-23 |