Patent Theme
Quantum Control Circuits
Specialized digital and mixed-signal circuits for controlling and reading out quantum bits (qubits), including generating precise modulated RF signals and integrating with photonic components for quantum operations.
5,734 US filings from 944 companies since 2023 · 2023: 1,352 · 2024: 1,737 · 2025: 1,769 · 2026 YTD: 876
Pulse / Digital Logic Circuits
Top companies
Ranked by filings in this theme since 2023. 2026 is partial.
| # | Company | Since 2023 | 2023 | 2024 | 2025 | 2026 YTD | YoY |
|---|
| 1 | International Business Machines Corporation | 636 | 198 | 181 | 173 | 84 | -4.4% |
| 2 | GOOGLE LLC | 358 | 78 | 117 | 116 | 47 | -0.9% |
| 3 | IonQ, Inc. | 194 | 51 | 57 | 55 | 31 | -3.5% |
| 4 | Microsoft Technology Licensing, LLC | 156 | 49 | 45 | 44 | 18 | -2.2% |
| 5 | Red Hat, Inc. | 139 | 43 | 47 | 34 | 15 | -27.7% |
| 6 | Fujitsu Limited | 111 | 5 | 15 | 48 | 43 | +220.0% |
| 7 | PsiQuantum, Corp. | 104 | 20 | 35 | 34 | 15 | -2.9% |
| 8 | INTEL CORPORATION | 85 | 31 | 25 | 25 | 4 | 0.0% |
| 9 | Bank of America Corporation | 84 | 9 | 21 | 37 | 17 | +76.2% |
| 10 | DELL PRODUCTS L.P. | 80 | 6 | 25 | 24 | 25 | -4.0% |
| 11 | Rigetti & Co, LLC | 79 | 19 | 28 | 23 | 9 | -17.9% |
| 12 | Quantinuum LLC | 78 | 11 | 29 | 28 | 10 | -3.4% |
| 13 | D-WAVE SYSTEMS INC. | 77 | 23 | 30 | 17 | 7 | -43.3% |
| 14 | Amazon Technologies, Inc. | 73 | 18 | 27 | 20 | 8 | -25.9% |
| 15 | Classiq Technologies LTD. | 64 | 14 | 14 | 28 | 8 | +100.0% |
| 16 | NEC CORPORATION | 64 | 11 | 20 | 19 | 14 | -5.0% |
| 17 | IQM FINLAND OY | 57 | 3 | 21 | 23 | 10 | +9.5% |
| 18 | MASSACHUSETTS INSTITUTE OF TECHNOLOGY | 53 | 12 | 18 | 14 | 9 | -22.2% |
| 19 | SAMSUNG ELECTRONICS CO., LTD. | 52 | 18 | 11 | 16 | 7 | +45.5% |
| 20 | Taiwan Semiconductor Manufacturing Company, Ltd. | 49 | 10 | 13 | 20 | 6 | +53.8% |
| 21 | UNIVERSITY OF MARYLAND, COLLEGE PARK | 49 | 16 | 16 | 13 | 4 | -18.8% |
| 22 | TENCENT TECHNOLOGY (SHENZHEN) COMPANY LIMITED | 47 | 15 | 16 | 11 | 5 | -31.2% |
| 23 | TEXAS INSTRUMENTS INCORPORATED | 47 | 8 | 21 | 11 | 7 | -47.6% |
| 24 | Northrop Grumman Systems Corporation | 44 | 14 | 3 | 16 | 11 | +433.3% |
| 25 | ORIGIN QUANTUM COMPUTING TECHNOLOGY (HEFEI) CO., LTD | 44 | · | 36 | 7 | 1 | -80.6% |