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Baldwin-Japan Ltd.

USPTO Granted Patents = 27

% Expired Patents = 22.2

EPO Patents = 1

Forward Citations = 113

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28 inventors (with patents filed for the assignee):

Akira Hara (13 out of 23 patents)

Hideo Oyaizu (8 out of 8 patents)

Hiraku Onuma (6 out of 6 patents)

4. Yoshio Tsukamoto (5 out of 5 patents)

5. Akira Kurachi (4 out of 5 patents)

6. Shigeo Isobe (4 out of 4 patents)

7. Shigeo Yamamoto (3 out of 3 patents)

8. Takayuki Goto (3 out of 3 patents)

9. Ryozo Suzuki (2 out of 2 patents)

10. C Robert Gasparrini (2 out of 9 patents)

11. Takayuku Goto (2 out of 2 patents)

12. Tomokatsu Mukae (2 out of 2 patents)

13. Toshisaburo Takagi (2 out of 3 patents)

14. Yuuichi Suzuki (2 out of 2 patents)

15. Takeo Onda (2 out of 2 patents)

Core Competencies:

Printed Paper Inspection

Pressure Pad

Cylinder Cleaning

Optical System

Web Anti-Wrap

Dampening Water Feeding

Color Sensor

Cleaning Machine

Automatic Web Guide

Printing Plate Identification

Fabric Cleaning

27 patents: Sort by Forward Citations

1. 7570788 - Printed paper inspecting method and apparatus (2009-08-04),

2. 7287297 - Pressure pad for cleaning fabric (2007-10-30),

3. 7219605 - Cylinder cleaning apparatus (2007-05-22),

4. 7034928 - Reading apparatus (2006-04-25),

5. 6823789 - Cylinder cleaning device and cylinder cleaning fabric used therefor (2004-11-30),

6. 6546591 - Pressure pad and cylinder cleaning apparatus (2003-04-15),

7. 6395361 - Package opening method and apparatus (2002-05-28),

8. 6381020 - Optical system (2002-04-30),

9. 6332238 - Cylinder cleaning device (2001-12-25),

10. 6253413 - Pressure pad and cylinder cleaning apparatus (2001-07-03),

11. 6219879 - Cylinder cleaning device (2001-04-24),

12. 6176183 - Cylinder cleaning device with shaft end distinguishing means (2001-01-23),

13. 6161477 - Web anti-wrap device for web printing press (2000-12-19),

14. 6138563 - Dampening water feeding method and apparatus (2000-10-31),

15. 6115512 - Optical color sensor and color print inspecting apparatus (2000-09-05),

Baldwin-Japan Ltd. is a prominent player in the field of advanced filtration and separation technologies. The company specializes in developing innovative solutions for various industries, including automotive, aerospace, and industrial applications. With a strong focus on research and development, Baldwin-Japan is dedicated to enhancing efficiency and sustainability through its cutting-edge products. The organization is headquartered in Tokyo, Japan, and serves a diverse clientele, leveraging its expertise to address complex challenges in fluid management and air filtration.

Profile summary based on public USPTO records.

Company Badge

USPTO Data Jan 1 1976 - Oct 6 2026

27 Patents

#1,136 in Tokyo

#2,454 in Japan

#23,984 in the World

Baldwin-Japan Ltd.

Forward Citations = 113

28 inventors:

Akira Hara (13 out of 23 patents)

Hideo Oyaizu (8 out of 8 patents)

Hiraku Onuma (6 out of 6 patents)

4. Yoshio Tsukamoto (5 out of 5 patents)

5. Akira Kurachi (4 out of 5 patents)

Please report any incorrect information to [email protected]

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