Inventor · disambiguated record
Richard R. Pettijohn
Also filed as: PETTIJOHN RICHARD R
2 granted patents·50 citations·filing 1977–1978
62Inventor score
Files withSTANFORD RES INST INT2
Top patents by PatentIndex Score
2 records- 0178US4147564AMethod of controlled surface texturization of crystalline semiconductor materialSTANFORD RES INST INT·Filed 1977·Granted Apr 3, 1979·44 cites·16 claims
- 0233US4299904APhotographic image enhancement method employing photoluminescenceSTANFORD RES INST INT·Filed 1978·Granted Nov 10, 1981·6 cites·5 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →