Inventor · disambiguated record
Hiroki Kamiyama
Also filed as: KAMIYAMA HIROKI
2 granted patents·30 citations·filing 1974–1981
61Inventor score
Files withMARUZEN OIL CO LTD2
Top patents by PatentIndex Score
2 records- 0175US4024076AProcess for producing granular sulfurized material, granular carbon or granular activated carbonMARUZEN OIL CO LTD·Filed 1974·Granted May 17, 1977·19 cites·14 claims
- 0271US4368337AProcess for converting glycol dialkyl etherMARUZEN OIL CO LTD·Filed 1981·Granted Jan 11, 1983·11 cites·13 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →