Issued Patents All Time
Showing 101–107 of 107 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6672051 | Exhaust emission purifying device for internal combustion engine | Yasuki Tamura, Kazuhito Kawashima, Osamu Nakayama | 2004-01-06 |
| 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, Katsumi Tada, Natsuko Sugaya, 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, Katsumi Tada, 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 | Toru Takahashi, Hisamitsu Kawaguchi, Katsumi Tada, Noriyuki Yamasaki | 2003-01-21 |
| 6496820 | Method and search method for structured documents | Katsumi Tada, Natsuko Sugaya, Tadataka Matsubayashi, Yasushi Kawashimo | 2002-12-17 |
| 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, Katsumi Tada, Natsuko Sugaya, Yasushi Kawashimo | 2002-10-29 |
| 6377946 | Document search method and apparatus and portable medium used therefor | Toru Takahashi, Hisamitsu Kawaguchi, Katsumi Tada, Noriyuki Yamasaki | 2002-04-23 |