Inventor · disambiguated record
Hiroshi Ohkuma
Also filed as: OHKUMA HIROSHI
4 granted patents·1 pending application·34 citations·filing 1991–2018
74Inventor score
Files withHODOGAYA CHEMICAL CO LTD1NABCO LTD1NIPPON AIR BRAKE CO1TORAY INDUSTRIES1YOKOYAMA NORIMASA1
Top patents by PatentIndex Score
5 records- 0174US8748014B2Compound having a substituted anthracene ring structure and pyridoindole ring structure, and organic electroluminescent deviceYOKOYAMA NORIMASA·Filed 2010·Granted Jun 10, 2014·3 cites·14 claims
- 0252US5611407ADriving force distribution control system for four wheel drive vehicleNABCO LTD·Filed 1994·Granted Mar 18, 1997·19 cites·12 claims
- 0346US5127316APump apparatus with improved coupling between the pump and motorNIPPON AIR BRAKE CO·Filed 1991·Granted Jul 7, 1992·8 cites·9 claims
- 0438US2020335703A1Organic electroluminescence deviceHODOGAYA CHEMICAL CO LTD·Filed 2018·Application pending·0 cites
- 0536US5721206APharmaceutical composition for use as a retinal pigment epithelial cell growth agentTORAY INDUSTRIES·Filed 1995·Granted Feb 24, 1998·4 cites·10 claims
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