Inventor · disambiguated record
Hiroshi Ohya
Also filed as: OHYA HIROSHI
6 granted patents·82 citations·filing 1980–2004
84Inventor score
Top patents by PatentIndex Score
6 records- 0173US6749233B2Sleeve-type pipe jointHITACHI METALS LTD·Filed 2001·Granted Jun 15, 2004·21 cites·40 claims
- 0268US7118136B2Sleeve-type pipe jointHITACHI METALS LTD·Filed 2004·Granted Oct 10, 2006·16 cites·8 claims
- 0346US5150923APlastic pipe joint assembly for joining sections of plastic pipeHITACHI METALS LTD·Filed 1990·Granted Sep 29, 1992·14 cites·28 claims
- 0445US5347819AMethod and apparatus for manufacturing superfluidity heliumISHIKAWAJIMA HARIMA HEAVY IND·Filed 1993·Granted Sep 20, 1994·18 cites·30 claims
- 0542US4322758AFluorescent indicatorNAKAMICHI CORP·Filed 1980·Granted Mar 30, 1982·5 cites·9 claims
- 0641US4700376AAutomatic telephone answering apparatus with remote control signal mutingOLYMPUS OPTICAL CO·Filed 1985·Granted Oct 13, 1987·8 cites·21 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →