Inventor · disambiguated record
Eiji Ototsuki
Also filed as: OTOTSUKI EIJI
3 granted patents·1 pending application·7 citations·filing 2014–2022
61Inventor score
Technology areasG02B
Files withSUMITA OPTICAL GLASS4
Top patents by PatentIndex Score
4 records- 0148US2025098943A1Beam-shaping lens, beam-shaping element, light source device for an endoscope, and endoscopeSUMITA OPTICAL GLASS·Filed 2022·Application pending·0 cites
- 0235USD753857SHelmet-mounted lightSUMITA OPTICAL GLASS·Filed 2014·Granted Apr 12, 2016·4 cites·1 claims
- 0328USD753859SHelmet-mounted lightSUMITA OPTICAL GLASS·Filed 2014·Granted Apr 12, 2016·2 cites·1 claims
- 0425USD753858SHelmet-mounted lightSUMITA OPTICAL GLASS·Filed 2014·Granted Apr 12, 2016·1 cites·1 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →