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Hajime Industries Ltd.

USPTO Granted Patents = 57

Forward Citations = 879

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14 inventors (with patents filed for the assignee):

Hajime Yoshida (45 out of 45 patents)

Katsumi Tokoyama (5 out of 5 patents)

Toshiyuki Shimizu (2 out of 18 patents)

4. Yoshida Hajime (2 out of 2 patents)

5. Tadao Fukuda (1 out of 1 patent)

6. Yuji Kozuka (1 out of 1 patent)

7. Takashi Kanzaka (1 out of 1 patent)

8. Osamu Sugihashi (1 out of 1 patent)

9. Takashi Aoki (1 out of 1 patent)

10. Kei Nishida (1 out of 1 patent)

11. Godefridus P Beurskens (1 out of 1 patent)

12. Gerrit J Kleinnibbelink (1 out of 1 patent)

13. Pieter H Lutgendorf (1 out of 1 patent)

14. Masao Sudo (1 out of 1 patent)

Core Competencies:

Surface Inspection

Defect Detection

Powder Inspection

Transparent Container Inspection

Image Data Masking

Pattern Recognition

Automatic Inspection

Flaw Detection

Lighting Devices

Stroboscope Features

Noise Detection

Matrix Array Camera

57 patents: Sort by Forward Citations

1. 5680473 - Surface inspection device (1997-10-21),

2. 5581074 - Inspection apparatus with stroboscope intensity compensation features (1996-12-03),

3. 5467125 - Apparatus for the inspection of transparent containers (1995-11-14),

4. 5309773 - Powder and granule inspection apparatus (1994-05-10),

5. 5268968 - Defect judgement method (1993-12-07),

6. 5261285 - Powder granule sample inspection apparatus (1993-11-16),

7. 5245424 - Defect detection method (1993-09-14),

8. 5239358 - Powder material inspection apparatus (1993-08-24),

9. 5216239 - Residual fluid detection apparatus for detecting fluid at the bottom of (1993-06-01),

10. 5214619 - Supersonic sound emission device (1993-05-25),

11. 5187573 - Inspection method and apparatus (1993-02-16),

12. 5168657 - Bottle mouth top surface polishing apparatus (1992-12-08),

13. 5157976 - Powder granule sample inspection apparatus (1992-10-27),

14. 5074158 - Powder granule sample inspection apparatus (1991-12-24),

15. 5024525 - Photo sensing device (1991-06-18),

Hajime Industries Ltd. is a leading industrial manufacturing company specializing in the production of high-quality machinery and equipment. With a reputation for excellence and innovation, we provide customized solutions for a wide range of industries including automotive, aerospace, electronics, and more. Our state-of-the-art facilities and skilled workforce ensure the highest standards of quality and precision in every product we deliver. Visit our website to learn more about our capabilities and how we can help your business thrive.

This text is generated by artificial intelligence and may not be accurate.

Company Badge

USPTO Data Jan 1 1976 - Dec 9 2025

57 Patents

#649 in Tokyo

#1,540 in Japan

#12,152 in the World

Hajime Industries Ltd.

Forward Citations = 879

14 inventors:

Hajime Yoshida (45 out of 45 patents)

Katsumi Tokoyama (5 out of 5 patents)

Toshiyuki Shimizu (2 out of 18 patents)

4. Yoshida Hajime (2 out of 2 patents)

5. Tadao Fukuda (1 out of 1 patent)

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