Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5985194 | Method of making polymeric semiconductor body | Humberto T. Kadooka, Olavo N. Da Costa | 1999-11-16 |
| 5517003 | Self-regulating heater including a polymeric semiconductor substrate containing porous conductive lampblack | Humberto T. Kadooka, Olavo N. Da Costa | 1996-05-14 |
| 5440425 | Rearview mirror with heater for defrosting and defogging | Humberto T. Kadooka, Olavo N. Da Costa | 1995-08-08 |
| 5409981 | Semiconductor polymeric compound based on lampblack, polymeric semiconductor body, and methods of making the semiconductor polymeric compound and the polymeric semiconductor body | Humberto T. Kadooka, Olavo N. Da Costa | 1995-04-25 |
| 5382622 | Semiconductor polymeric compound based on lampblack, polymeric semiconductor body, and methods of making the semiconductor polymeric compound and the polymeric semiconductor body | Humberto T. Kadooka, Olavo N. Da Costa | 1995-01-17 |