Inventor · disambiguated record
Masamichi Hanada
Also filed as: HANADA MASAMICHI
5 granted patents·305 citations·filing 1981–1993
85Inventor score
Files withHITACHI LTD5
Top patents by PatentIndex Score
5 records- 0193US4647271AImpeller of centrifugal blowerHITACHI LTD·Filed 1985·Granted Mar 3, 1987·114 cites·14 claims
- 0290US4958500AAir conditioner and air conditioning methodHITACHI LTD·Filed 1989·Granted Sep 25, 1990·72 cites·10 claims
- 0389US4432694ABlowerHITACHI LTD·Filed 1981·Granted Feb 21, 1984·62 cites·3 claims
- 0471US5343713AActive noise control apparatus for three-dimensional spaceHITACHI LTD·Filed 1993·Granted Sep 6, 1994·44 cites·37 claims
- 0548US4454728AAir conditioning systemHITACHI LTD·Filed 1983·Granted Jun 19, 1984·13 cites·22 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →