Hiroshi Horii

This inventor holds 73 USPTO granted patents and 7 published patent applications and 1 EPO patent, primarily in Quantum Computing Simulation (CPC class G06F). Top assignees: International Business Machines Corporation, Victor Company of Japan, Limited, Ntt Data Communications Systems Corporation. Active years: 1993-2026.

USPTO Granted Patents = 73 (Patent Applications = 7)

% Patents Active = 56.2

EPO Patents = 1 (Patent Applications = 1)

Average Co-Inventor Count = 2.2

ph-index = 8

Forward Citations = 380(Granted Patents)

Forward Citations (Not Self Cited) = 371(Dec 10, 2025)

Inventors with similar research interests:

Location History:

Yamato, JP (2009 - 2015)
Kanagawa-ken, JP (2013 - 2015)
Kanagawa, JP (2019)
Tokyo, JP (1993 - 2024)

Company Filing History:

71 out of 166,209

International Business Machines Corporation

patents

2 out of 2,887

Victor Company of Japan, Limited

patents

1 out of 15

Ntt Data Communications Systems Corporation

patents

where one patent can have more than one assignee

Years Active: 1993-2026

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Areas of Expertise:

Quantum Computing

Sampling Optimization

Gate Fusion

Snapshot Management

Distributed Systems

Garbage Collection

Memory Density

Data Loading

Blockchain

Load Balancing

Transaction Processing

Database Systems

73 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 12675718 - Ahead-of-time gate-fusion transpilation for simulation (2026-07-07),

2. 12455991 - Circuit serialization for parameterized circuit simulation (2025-10-28),

3. 12367411 - Enablement of sampling-optimization for gate-level simulation (2025-07-22),

4. 12217074 - Selective injection of GC safepoints for JNI invocations (2025-02-04),

5. 12032632 - DFS-based cycle detection on Pregel model (2024-07-09),

6. 11586792 - Scheduling fusion for quantum computing simulation (2023-02-21),

7. 11544614 - Sampling of an operator in a quantum system (2023-01-03),

8. 11501199 - Probability index optimization for multi-shot simulation in quantum computing (2022-11-15),

9. 11475345 - Controlled NOT gate parallelization in quantum computing simulation (2022-10-18),

10. 11423025 - Direct data loading of middleware-generated records (2022-08-23),

11. 11403278 - Management of snapshot in blockchain (2022-08-02),

12. 11327793 - Garbage collection work stealing mechanism (2022-05-10),

13. 11200256 - Record replication for multi-column partitioning on distributed database systems (2021-12-14),

14. 11163594 - Rescheduling JIT compilation based on jobs of parallel distributed computing framework (2021-11-02),

15. 11157667 - Gate fusion for measure in quantum computing simulation (2021-10-26),

Title: Hiroshi Horii - Innovative Inventor from Tokyo

Introduction: Hiroshi Horii is a renowned inventor hailing from Tokyo, Japan, known for his groundbreaking contributions to various technological fields.

Latest Patents: Hiroshi Horii holds several patents in the areas of robotics, artificial intelligence, and renewable energy technologies, showcasing his versatility and forward-thinking approach.

Career Highlights: With over two decades of experience in the innovation industry, Hiroshi Horii has worked with leading research institutions and universities to develop cutting-edge solutions that have revolutionized the way we interact with technology.

Collaborations: Throughout his career, Hiroshi Horii has collaborated with top companies in Japan and internationally, fostering a culture of innovation and pushing the boundaries of what is possible in the tech world.

Conclusion: Hiroshi Horii's passion for innovation and his relentless pursuit of excellence have solidified his reputation as a visionary inventor, shaping the future of technology in Japan and beyond.