Inventor · disambiguated record
Hiroshi Maru
Also filed as: MARU HIROSHI
3 granted patents·40 citations·filing 1981–2012
67Inventor score
Top patents by PatentIndex Score
3 records- 0178US4400890ALength measuring deviceSONY CORP·Filed 1981·Granted Aug 30, 1983·28 cites·7 claims
- 0242US8349922B2Pigment dispersion, water-based pigment dispersion liquid, and inkjet recording ink and method for producing water-based pigment dispersion liquidDAINIPPON INK & CHEMICALS·Filed 2012·Granted Jan 8, 2013·0 cites·18 claims
- 0342US5195359AApparatus for detecting operating condition of internal-combustion engineNIPPON MINING CO·Filed 1990·Granted Mar 23, 1993·12 cites·4 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →