Inventor · disambiguated record
Yoshio Kogawa
Also filed as: KOGAWA YOSHIO · SUGIYA TERUO
3 granted patents·91 citations·filing 1977–1981
75Inventor score
Files withCHIYODA CHEM ENG CONSTRUCT CO3
Top patents by PatentIndex Score
3 records- 0185US4156712AGas-liquid contacting methodCHIYODA CHEM ENG CONSTRUCT CO·Filed 1977·Granted May 29, 1979·39 cites·8 claims
- 0269US4368060AGas sparging methodCHIYODA CHEM ENG CONSTRUCT CO·Filed 1981·Granted Jan 11, 1983·32 cites·11 claims
- 0366US4229417AGas-liquid contacting apparatusCHIYODA CHEM ENG CONSTRUCT CO·Filed 1977·Granted Oct 21, 1980·20 cites·3 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →