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Caterpillar Mitsubishi Ltd.

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USPTO Granted Patents = 31

Forward Citations = 439

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39 inventors (with patents filed for the assignee):

Tomio Uchida (7 out of 7 patents)

Yoshimasa Kohriyama (4 out of 4 patents)

Izuru Morita (3 out of 10 patents)

4. Hideo Wada (2 out of 2 patents)

5. Naoto Kozuki (2 out of 2 patents)

6. Kisaburo Otabe (2 out of 3 patents)

7. Akira Nakamura (1 out of 107 patents)

8. Shoji Tozawa (1 out of 29 patents)

9. Norio Nakajima (1 out of 1 patent)

10. Toru Aihara (1 out of 1 patent)

11. Koichi Kimura (1 out of 1 patent)

12. Kanji Uchiyama (1 out of 1 patent)

13. Uchida Tomio (1 out of 1 patent)

14. Shigeru Nishino (1 out of 1 patent)

15. Keisuke Kishitani (1 out of 2 patents)

Core Competencies:

Operation Data-Recording

Flow Control Valve

Noise Silencer Assembly

Bucket Assembly

Quick Coupler

Emergency Brake System

Hydraulic Actuators

Cable Cleaning Device

Two-Way Bulldozer Mechanism

Fuel Tank Separator

Chip Conveyer

31 patents: Sort by Forward Citations

1. 4757454 - Operation data-recording system for a machine (1988-07-12),

2. 4598730 - Flow control valve (1986-07-08),

3. 4432257 - Shoe bolt securing and removing apparatus (1984-02-21),

4. 4384620 - Multipurpose-type blade device for earth moving machine (1983-05-24),

5. 4380284 - Chip conveyer (1983-04-19),

6. 4341026 - Bucket assembly for earthmoving machines capable of side dumping as well (1982-07-27),

7. 4334588 - Vehicle engine noise reducing assembly (1982-06-15),

8. 4265138 - Emergency brake apparatus for track-type vehicle (1981-05-05),

9. 4243356 - Quick coupler (1981-01-06),

10. 4217927 - Relief and make-up valve assembly (1980-08-19),

11. 4199004 - Relief and make-up valve assembly (1980-04-22),

12. 4129045 - Chain with bushing protective cover (1978-12-12),

13. 4126490 - Composition for forming chromate coating (1978-11-21),

14. 4124255 - Noise reduction device for use in the undercarriage of track-type (1978-11-07),

15. 4123120 - Noise reducing device in undercarriage of track-type vehicle (1978-10-31),

Company Overview

Caterpillar Mitsubishi Ltd., headquartered in Tokyo, specializes in the development and manufacturing of heavy machinery and equipment, particularly for construction and mining industries. The company combines advanced engineering with innovative technologies to enhance productivity and efficiency in various sectors. With a strong focus on sustainability, Caterpillar Mitsubishi Ltd. is committed to delivering solutions that meet the evolving needs of its customers across the Asia-Pacific region and beyond.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 27 2026

31 Patents

#1,043 in Tokyo

#2,272 in Japan

#21,301 in the World

Caterpillar Mitsubishi Ltd.

Forward Citations = 439

39 inventors:

Tomio Uchida (7 out of 7 patents)

Yoshimasa Kohriyama (4 out of 4 patents)

Izuru Morita (3 out of 10 patents)

4. Hideo Wada (2 out of 2 patents)

5. Naoto Kozuki (2 out of 2 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Caterpillar Mitsubishi Ltd.. Retrieved from https://idiyas.com/company/caterpillar-mitsubishi

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

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]

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