Hawaii ranks #48 among US states for total patents filed in 2021, with 335 patents from 205 inventors across 36 cities. On a per-capita basis that is 0.2 patents per 1,000 residents, a standard benchmark for comparing state-level R&D intensity.
Top Cities in Hawaii 2021
| Rank | City | Patents | Inventors |
|---|---|---|---|
| #1 | Honolulu, HI | 133 | 105 |
| #2 | Kailua, HI | 56 | 15 |
| #3 | Kailua CDP, HI | 13 | 8 |
| #4 | Princeville, HI | 13 | 1 |
| #5 | Kihei, HI | 12 | 7 |
| #6 | Kapalaoa, HI | 10 | 2 |
| #7 | Aiea, HI | 10 | 5 |
| #8 | Kaneohe, HI | 9 | 6 |
| #9 | Hilo, HI | 8 | 4 |
| #10 | Wailea, HI | 6 | 2 |
| #11 | Paia, HI | 6 | 3 |
| #12 | Kalaheo, HI | 6 | 3 |
| #13 | Ewa Beach, HI | 6 | 3 |
| #14 | Lihue, HI | 5 | 4 |
| #15 | Lahaina, HI | 5 | 4 |
| #16 | Kurtistown, HI | 4 | 1 |
| #17 | Haiku, HI | 3 | 3 |
| #18 | Mililani, HI | 3 | 3 |
| #19 | Waipahu, HI | 3 | 3 |
| #20 | Wailuku, HI | 3 | 3 |
| #21 | Kaawanui Village, HI | 2 | 1 |
| #22 | Pukalani, HI | 2 | 2 |
| #23 | Hanalei, HI | 2 | 2 |
| #24 | Kapolei, HI | 2 | 2 |
| #25 | Pahala, HI | 2 | 2 |