Inventor · disambiguated record
Takeshi Hazeyama
Also filed as: HAZEYAMA TAKESHI
6 granted patents·129 citations·filing 1975–2002
84Inventor score
Top patents by PatentIndex Score
6 records- 0177US5607490AFilter having chemical resistance, antistatic property and water vapor resistance, and process for producing the sameNITTETSU MINING CO LTD·Filed 1995·Granted Mar 4, 1997·38 cites·14 claims
- 0271US3969484AProcess for recovering tungsten from alkaline leaching solution of tungsten oresNITTETSU MINING COMPANY LTD·Filed 1975·Granted Jul 13, 1976·23 cites·5 claims
- 0366US5558689AReinforced filter elementNITTETSU MINING CO LTD·Filed 1995·Granted Sep 24, 1996·39 cites·32 claims
- 0453US7399522B2Heat-resistant filter element and method for production thereofNITTETSU MINING CO LTD·Filed 2002·Granted Jul 15, 2008·1 cites·2 claims
- 0551US5080847AManufacturing method of filter element for dust collectorNITTETSU MINING CO LTD·Filed 1990·Granted Jan 14, 1992·18 cites·3 claims
- 0638US4551240AApparatus for classifying particulate material with air currentsNITTETSU MINING CO LTD·Filed 1984·Granted Nov 5, 1985·10 cites·3 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →