Inventor · disambiguated record
Masaki Hiroi
Also filed as: HIROI MASAKI
7 granted patents·116 citations·filing 1989–2019
82Inventor score
Top patents by PatentIndex Score
7 records- 0194US5848329AImage forming apparatus having a mounting/dismounting mechanismRICOH KK·Filed 1997·Granted Dec 8, 1998·83 cites·13 claims
- 0283US8421838B2Optical device, optical scanning device, image forming apparatus, and manufacturing method of optical deviceYAMAGUCHI TAKAYUKI·Filed 2010·Granted Apr 16, 2013·4 cites·10 claims
- 0380US10559942B2Laser device and internal combustion engineHAGITA KENTAROH·Filed 2018·Granted Feb 11, 2020·2 cites·7 claims
- 0461US5153750AImage reading apparatus having a contact type image sensor deviceRICOH KK·Filed 1990·Granted Oct 6, 1992·21 cites·24 claims
- 0543US10914451B2Optical unit and optical apparatusHIROI MASAKI·Filed 2019·Granted Feb 9, 2021·0 cites·14 claims
- 0636US9627845B2Method for manufacturing an optical unitHIROI MASAKI·Filed 2012·Granted Apr 18, 2017·0 cites·6 claims
- 0735US5015837AContact type image sensor with electric shieldingRICOH KK·Filed 1989·Granted May 14, 1991·6 cites·20 claims
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