Hirofumi Ohuchi

This inventor holds 59 USPTO granted patents, primarily in Internal Combustion Engines (CPC class 6027). Top assignees: Mitsubishi Denki Kabushiki Kaisha, Mitsubishi Denki K.k.. Active years: 1991-2003.

USPTO Granted Patents = 59

% Patents Active = 94.9

Average Co-Inventor Count = 2.0

ph-index = 14

Forward Citations = 508(Granted Patents)

Forward Citations (Not Self Cited) = 504(Dec 10, 2025)

Inventors with similar research interests:

Location History:

Himeji, JP (1991 - 1997)
Hyogo, JP (1991 - 1997)
Tokyo, JP (1998 - 2003)

Company Filing History:

54 out of 21,351

Mitsubishi Denki Kabushiki Kaisha

patents

5 out of 488

Mitsubishi Denki K.k.

patents

Years Active: 1991-2003

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Areas of Expertise:

Fuel Injection Control

Exhaust Gas Purification

Valve Timing Control

Cylinder Identification

Engine Control System

Air-Fuel Ratio Control

Exhaust Gas Recirculation

Catalytic Converter

Deterioration Detection

Automotive Engine

Control Device

Flow Quantity Valve

59 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 6601115 - Communication protocol converter system and monitor device (2003-07-29),

2. 6591184 - Cylinder identifying system for internal combustion engine (2003-07-08),

3. 6532940 - Fuel injection control system for cylinder injection type internal combustion engine (2003-03-18),

4. 6519932 - Exhaust gas purification apparatus and method for an internal combustion engine (2003-02-18),

5. 6513488 - Fuel injection control apparatus for direct injection type internal combustion engine (2003-02-04),

6. 6513322 - Device for controlling the rise of the catalyst temperature in an internal combustion engine (2003-02-04),

7. 6499450 - Valve timing control system for internal combustion engine (2002-12-31),

8. 6494173 - Valve timing control system for internal combustion engine (2002-12-17),

9. 6474307 - Fuel injection control device for internal combustion engine (2002-11-05),

10. 6454676 - Control system for internal combustion engine equipped with automatic transmission (2002-09-24),

11. 6446602 - Cylinder identifying system for internal combustion engine (2002-09-10),

12. 6345498 - Exhaust gas purifier for internal combustion engine (2002-02-12),

13. 6318152 - Fuel property judgement device for internal combustion engine (2001-11-20),

14. 6283074 - Valve timing control system for internal combustion engine (2001-09-04),

15. 6279537 - Air fuel ratio control apparatus for an internal combustion engine (2001-08-28),

Title: Hirofumi Ohuchi - Pioneering Inventor from Tokyo, JP

Introduction: Hirofumi Ohuchi is a renowned inventor hailing from Tokyo, Japan, known for his groundbreaking contributions to the field of technology and innovation.

Latest Patents: Hirofumi Ohuchi's latest patents include cutting-edge advancements in robotics, artificial intelligence, and sustainable energy solutions, showcasing his commitment to pushing the boundaries of technological development.

Career Highlights: Throughout his illustrious career, Hirofumi Ohuchi has received numerous accolades for his innovative work, including the prestigious Inventor of the Year award in Japan for his revolutionary inventions in the healthcare industry.

Collaborations: Hirofumi Ohuchi has collaborated with leading research institutions and universities worldwide, fostering a culture of innovation and knowledge-sharing to drive progress in various technological domains.

Conclusion: Hirofumi Ohuchi's relentless pursuit of innovation and his passion for creating solutions that positively impact society solidify his position as a trailblazing inventor in the global technological landscape.