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For the Inventor, By the Inventor

Tokyo, Japan

Kabushiki Kaisha Komatsu Seisakusho


USPTO Granted Patents = 1,009


Trademarks = 22

Forward Citations = 12,798

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1,032 inventors (with patents filed for the assignee):

goldMedal Naoki Ishizaki (24 out of 49 patents)

silverMedal Kiyokazu Baba (19 out of 29 patents)

bronzeMedal Tadao Karakama (19 out of 23 patents)

4.  Ryoichi Maruyama (19 out of 22 patents)

5.  Teruo Akiyama (18 out of 38 patents)

6.  Kazuo Uehara (18 out of 20 patents)

7.  Osamu Wakabayashi (16 out of 293 patents)

8.  Tsutomu Ishino (16 out of 20 patents)

9.  Shigeru Yamamoto (15 out of 74 patents)

10.  Shigenori Matsushita (13 out of 18 patents)

11.  Masanori Ikari (12 out of 46 patents)

12.  Masahiko Kowaka (12 out of 13 patents)

13.  Yasunori Okura (12 out of 12 patents)

14.  Takayuki Sato (11 out of 17 patents)

15.  Makio Tsubota (11 out of 12 patents)


Core Competencies:
Hemming Machine
Laser Liquid Crystal Marker
Supercharging Device
Thermal Decomposition Degreasing
Plasma Arc Welding
Ambulatory Robot
Fluid Heating Apparatus
Position Recognition
Hydrostatic-Mechanical Transmission
Work Instruction System
Collision Prevention System
Crankshaft Miller

1,009 patents:

1. 6584661 - Hemming machine (2003-07-01),
2. 6175687 - Humidifier and hollow yarn body to be used therefor (2001-01-16),
3. 6046794 - Control device for marking device (2000-04-04),
4. 5934125 - Refuging system for emergency of transfer feeder (1999-08-10),
5. 5899964 - Bending angle detector and straight line extracting device for use (1999-05-04),
6. 5898442 - Display control device (1999-04-27),
7. 5896163 - Laser liquid crystal marker and method for judging deterioration of (1999-04-20),
8. 5877270 - Water solvent extraction degreasing method and molded products produced (1999-03-02),
9. 5875766 - Supercharging device for a vehicle engine and method for controlling the (1999-03-02),
10. 5854379 - Thermal decomposition degreasing method and molded products thereof (1998-12-29),
11. 5845895 - Liquid sealed rubber mount (1998-12-08),
12. 5845678 - Pressurized fluid supply system (1998-12-08),
13. 5844556 - Intelligent graphic operation panel and highlighting contol method (1998-12-01),
14. 5842386 - Locking device for transfer feeder (1998-12-01),
15. 5823369 - Control device for automatically stopping swiveling of cranes (1998-10-20),
Kabushiki Kaisha Komatsu Seisakusho, commonly known as Komatsu, is a Japanese multinational corporation that manufactures construction, mining, forestry, and industrial equipment. Their diverse product range includes hydraulic excavators, dump trucks, bulldozers, loaders, and industrial presses. Komatsu strives to provide innovative solutions and superior quality products to meet the evolving needs of their customers worldwide.
This text is generated by artificial intelligence and may not be accurate.

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USPTO Data Jan 1 1976 - Dec 9 2025

1,009 Patents

#102 in Tokyo

#222 in Japan

#978 in the World

...
Tokyo, Japan

Kabushiki Kaisha Komatsu Seisakusho

Forward Citations = 12,798

1,032 inventors:

goldMedal Naoki Ishizaki (24 out of 49 patents)

silverMedal Kiyokazu Baba (19 out of 29 patents)

bronzeMedal Tadao Karakama (19 out of 23 patents)

4.  Ryoichi Maruyama (19 out of 22 patents)

5.  Teruo Akiyama (18 out of 38 patents)

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