Inventor · disambiguated record
Akitaka Yasujima
Also filed as: YASUJIMA AKITAKA
3 granted patents·73 citations·filing 1979–1982
73Inventor score
Top patents by PatentIndex Score
3 records- 0183US4243882AInfrared multilayer film thickness measuring method and apparatusASAHI DOW LTD·Filed 1979·Granted Jan 6, 1981·45 cites·21 claims
- 0269US4254337AInfrared interference type film thickness measuring method and instrument thereforASAHI DOW LTD·Filed 1979·Granted Mar 3, 1981·21 cites·17 claims
- 0349US4444860ALayered persistent photoconductive element comprises pigment layer and polymer layer containing polyvinyl carbazoleASAHI CHEMICAL IND·Filed 1982·Granted Apr 24, 1984·7 cites·8 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →