Inventor · disambiguated record
Hiroshi Asao
Also filed as: ASAO HIROSHI
11 granted patents·1 pending application·655 citations·filing 1976–2024
93Inventor score
Top patents by PatentIndex Score
12 records- 0193US4083220ASub-zero temperature plastic working process for metalHITACHI LTD·Filed 1976·Granted Apr 11, 1978·38 cites·2 claims
- 0288US5089104AMethod and apparatus for forming a multiple-element thin film based on ion beam sputteringHITACHI LTD·Filed 1990·Granted Feb 18, 1992·73 cites·9 claims
- 0385US4506423AMethod of producing a fluid pressure reducing deviceHITACHI LTD·Filed 1983·Granted Mar 26, 1985·52 cites·15 claims
- 0481US5754654AElectronic ticket vending system and method thereofHITACHI LTD·Filed 1995·Granted May 19, 1998·315 cites·18 claims
- 0580US6679423B2Electronic-money rewarding system for lost and found IC cardHITACHI LTD·Filed 2001·Granted Jan 20, 2004·19 cites·15 claims
- 0680US5125740AMethod and apparatus for measuring optical constants of a thin film as well as method and apparatus for fabricating a thin film utilizing sameHITACHI LTD·Filed 1990·Granted Jun 30, 1992·54 cites·13 claims
- 0779US4827747AMethod for producing a bellows with oval cross section and apparatus for carrying out the methodHITACHI LTD·Filed 1987·Granted May 9, 1989·24 cites·12 claims
- 0865US4676088AT-joint manufacturing apparatusHITACHI LTD·Filed 1985·Granted Jun 30, 1987·22 cites·4 claims
- 0961US2025074567A1Boat propulsion device and boatYAMAHA MOTOR CO LTD·Filed 2024·Application pending·0 cites
- 1054US4625533AMethod and apparatus for increasing thickness of tubular memberHITACHI LTD·Filed 1984·Granted Dec 2, 1986·13 cites·2 claims
- 1147US5932859AElectronic-money rewarding system for lost and found IC cardHITACHI LTD·Filed 1995·Granted Aug 3, 1999·29 cites·23 claims
- 1243US6273334B1Electronic-money rewarding system for lost and found IC cardHITACHI LTD·Filed 1999·Granted Aug 14, 2001·16 cites·7 claims
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →