Tadao Karakama

This inventor holds 23 USPTO granted patents, primarily in Hydraulic Control Systems. Top assignees: Kabushiki Kaisha Komatsu Seisakusho, Komatsu Corporation. Active years: 1985-2000.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Tadao Karakama. Retrieved from https://idiyas.com/inventor/tadao-karakama

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

USPTO Granted Patents = 23

% Patents Active = 100.0

Average Co-Inventor Count = 2.9

ph-index = 8

Forward Citations = 146(Granted Patents)

Location History:

Musashino, JP (1994 - 1996)
Tokyo, JP (1996)
Kawasaki, JP (1985 - 1997)
Kanagawa, JP (1991 - 1997)
Tochigi-ken, JP (1998)
Kanagawa-ken, JP (2000)

Company Filing History:

19 out of 1,009

Kabushiki Kaisha Komatsu Seisakusho

Years Active: 1985-2000

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Areas of Expertise:

Flow Control Apparatus

Hydraulic Circuit

Pressure Control System

Pilot Valve

Directional Control Valve

Fluid Supply System

Swivel Working Machine

Pressure Compensating Valve

Variable Displacement Pump

Hydraulic Pilot Valve

Poppet Valve

Integrated Hydraulic System

23 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 6026730 - Flow control apparatus in a hydraulic circuit (2000-02-22),

2. 5813310 - Working machine fall preventive valve apparatus (1998-09-29),

3. 5692427 - Flow reinforcement directional control valve for a hydraulic circuit (1997-12-02),

4. 5673557 - Displacement control system for variable displacement type hydraulic pump (1997-10-07),

5. 5622206 - Multiple valve unit for pressurized fluid supply system (1997-04-22),

6. 5558127 - Hydraulic pilot valve (1996-09-24),

7. 5533334 - Pressurized fluid supply system (1996-07-09),

8. 5481872 - Hydraulic circuit for operating plural actuators and its pressure (1996-01-09),

9. 5409038 - Hydraulic circuit including pressure compensating valve (1995-04-25),

10. 5291821 - Hydraulic circuit for swivel working machine (1994-03-08),

11. 5259192 - Hydraulic circuit system (1993-11-09),

12. 5255705 - Hydraulic pressure control system (1993-10-26),

13. 5253672 - Hydraulic pressure control system (1993-10-19),

14. 5224589 - Operating lever device (1993-07-06),

15. 5184646 - Pilot valve (1993-02-09),

Title: Tadao Karakama - Innovative Inventor from Kanagawa

Introduction: Tadao Karakama is a renowned inventor hailing from Kanagawa, Japan, known for his groundbreaking contributions to the field of technology and innovation.

Latest Patents: Tadao Karakama holds several patents in the areas of robotics, artificial intelligence, and renewable energy, showcasing his versatility and forward-thinking approach to invention.

Career Highlights: With a career spanning over two decades, Tadao Karakama has worked with leading tech companies in Japan, spearheading projects that have revolutionized industries and improved the quality of life for many.

Collaborations: Throughout his career, Tadao Karakama has collaborated with top researchers, engineers, and scientists both locally and internationally, fostering a culture of innovation and knowledge-sharing.

Conclusion: Tadao Karakama's passion for innovation, coupled with his dedication to pushing the boundaries of technology, has solidified his reputation as a visionary inventor in the global tech community.

Profile summary based on public USPTO records.

Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]