Inventor · disambiguated record
Hiroki Machihara
Also filed as: MACHIHARA HIROKI
2 granted patents·569 citations·filing 1997–1999
74Inventor score
Files withNIPPON TELEGRAPH & TELEPHONE2
Top patents by PatentIndex Score
2 records- 0191US6233578B1Method and system for information retrievalNIPPON TELEGRAPH & TELEPHONE·Filed 1997·Granted May 15, 2001·336 cites·11 claims
- 0290US6424980B1Integrated retrieval scheme for retrieving semi-structured documentsNIPPON TELEGRAPH & TELEPHONE·Filed 1999·Granted Jul 23, 2002·233 cites·30 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →