Olavo N. Da Costa

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no Estado de Sao Paulo, BR

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Patents Grantslast 30 patents

Information Patent Grant
Method of making polymeric semiconductor body
- Patent number 5,985,194
- Issue date Nov 16, 1999
- Metagal Industria E Comercio LTDA.
- Humberto Takashi Kadooka
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Self-regulating heater including a polymeric semiconductor substrat...
- Patent number 5,517,003
- Issue date May 14, 1996
- Metagal Industria E Comercio Ltd.
- Humberto T. Kadooka
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Rearview mirror with heater for defrosting and defogging
- Patent number 5,440,425
- Issue date Aug 8, 1995
- Metagal Industria E Commercio LTDA
- Humberto T. Kadooka
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Semiconductor polymeric compound based on lampblack, polymeric semi...
- Patent number 5,409,981
- Issue date Apr 25, 1995
- Metagal Industria E Comercio LTDA.
- Humberto T. Kadooka
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Semiconductor polymeric compound based on lampblack, polymeric semi...
- Patent number 5,382,622
- Issue date Jan 17, 1995
- Metagal Industria E Comercio LTDA.
- Humberto T. Kadooka
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...