The patent application was filed by Geoffrey S. Kinsey for a multijunction solar cell with bonded transparent conductive interlayer. It was filed on Dec. 13, 2005 before being approved on Dec. 28, 2021.
Though patents are required for inventions and products, the granting of a patent is not a guarantee for success. Dennis Crouch, co-director of the Center for Intellectual Property & Entrepreneurship, said roughly 50 percent of patents expire prematurely due to costs.
There were 17 patents granted for Pasadena inventors in December.
Longest patent application periods in Pasadena for December
| Applicant Name | Days to be Granted |
|---|---|
| Geoffrey S. Kinsey | 5,859 |
| California Institute of Technology | 1,509 |
| California Institute of Technology | 1,432 |
| California Institute of Technology | 1,373 |
| California Institute of Technology | 1,168 |
| California Institute of Technology | 1,054 |
| California Institute of Technology | 1,033 |
| Launch Lab, Inc. | 1,024 |
| Miso Robotics, Inc. | 853 |
| Arrowhead Pharmaceuticals, Inc. | 831 |
| Arrowhead Pharmaceuticals, Inc. | 704 |
| California Institute of Technology | 701 |
| Tubis Technology, Inc. | 669 |
| California Institute of Technology | 599 |
| California Institute of Technology | 494 |
| California Institute of Technology | 349 |
| Tetra Technician, Inc. | 222 |
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