Registered entities
QUANTUMSPHERE INC
Reg. No. 431998283United States
Quantumsphere, Inc.
Reg. No. 1387135United States
Innovation
28 patent families (8 granted) — focus: Electricity & electronics, Operations & transport, Chemistry & metallurgy, Mechanical engineering; filing pace dormant. Cited 931 times.
| Year | Filings |
|---|---|
| 2012 | 9 |
| 2013 | 3 |
| 2014 | 3 |
| 2016 | 1 |
Investor mix
2 investors on record.
| Investor type | Count | Share |
|---|---|---|
| Private equity | 1 | 50% |
| Bank & private debt | 1 | 50% |