Issued Patents All Time
Showing 26–50 of 56 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4839092 | Photoluminescent materials for outputting orange light | — | 1989-06-13 |
| 4830875 | Photoluminescent materials and associated process and infrared sensing device | — | 1989-05-16 |
| 4822520 | Photoluminescent materials for outputting blue-green light | — | 1989-04-18 |
| 4818434 | Thermoluminescent material including fusible salt | — | 1989-04-04 |
| 4812659 | Infrared sensing device outputting blue-green light | — | 1989-03-14 |
| 4812660 | Photoluminescent materials for outputting yellow-green light | — | 1989-03-14 |
| 4806772 | Infrared sensing device outputting orange light and a process for making the same | — | 1989-02-21 |
| 4755324 | Thermoluminescent material | — | 1988-07-05 |
| 4748375 | Stable optically transmissive conductors, including electrodes for electroluminescent devices, and methods for making | — | 1988-05-31 |
| 4705952 | Communications apparatus using infrared-triggered phosphor for receiving infrared signals | — | 1987-11-10 |
| 4693906 | Dielectric for electroluminescent devices, and methods for making | — | 1987-09-15 |
| 4492812 | Electrical contacts for a solar cell | — | 1985-01-08 |
| 4431599 | Method for the melting and solidification of silicon | — | 1984-02-14 |
| 4392010 | Photovoltaic cells having contacts and method of applying same | — | 1983-07-05 |
| 4349691 | Method of making constant voltage solar cell and product formed thereby utilizing low-temperature aluminum diffusion | — | 1982-09-14 |
| 4348254 | Method of making solar cell | — | 1982-09-07 |
| 4347264 | Method of applying contacts to a silicon wafer and product formed thereby | — | 1982-08-31 |
| 4331703 | Method of forming solar cell having contacts and antireflective coating | — | 1982-05-25 |
| 4330582 | Semicrystalline silicon products | — | 1982-05-18 |
| D263393 | Solar cell | — | 1982-03-16 |
| 4320168 | Method of forming semicrystalline silicon article and product produced thereby | — | 1982-03-16 |
| 4298423 | Method of purifying silicon | — | 1981-11-03 |
| 4297391 | Method of applying electrical contacts to a photovoltaic cell | — | 1981-10-27 |
| 4256681 | Method of producing semicrystalline silicon | — | 1981-03-17 |
| 4246043 | Yttrium oxide antireflective coating for solar cells | — | 1981-01-20 |