For the Inventor, By the Inventor

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Johnan Manufacturing Inc.

USPTO Granted Patents = 23

EPO Patents = 1

Forward Citations = 49

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31 inventors (with patents filed for the assignee):

Hideaki Takehara (5 out of 11 patents)

Hiroki Shimizu (5 out of 6 patents)

Hideaki Kashiwagi (3 out of 10 patents)

4. Hideo Kashiwabara (3 out of 3 patents)

5. Yukihide Yamazaki (3 out of 3 patents)

6. Wataru Murata (3 out of 5 patents)

7. Masakane Yoshizawa (3 out of 10 patents)

8. Koji Sasaki (2 out of 9 patents)

9. Tomotaka Shiroma (2 out of 2 patents)

10. Tsuyoshi Kondo (2 out of 8 patents)

11. Manabu Shimomura (2 out of 2 patents)

12. Junichi Yamamaru (2 out of 8 patents)

13. Shun Sakurai (2 out of 2 patents)

14. Naoki Baba (2 out of 2 patents)

15. Seiichi Miyamoto (2 out of 2 patents)

23 patents: Sort by Forward Citations

1. 12509931 - Window regulator and stopper member attaching method (2025-12-30),

2. 12410651 - Window regulator (2025-09-09),

3. 11952811 - Vehicle lock device (2024-04-09),

4. 11739581 - Window regulator (2023-08-29),

5. 11719031 - Window regulator (2023-08-08),

6. 11505972 - Vehicle hood lock device (2022-11-22),

7. 11326381 - Window regulator (2022-05-10),

8. 11162283 - Vehicle lid lock device (2021-11-02),

9. 10982478 - Window regulator (2021-04-20),

10. 10975606 - Window regulator (2021-04-13),

11. 10975604 - Window regulator (2021-04-13),

12. 10927589 - Window regulator (2021-02-23),

13. 10927588 - Window regulator (2021-02-23),

14. 10822859 - Window regulator (2020-11-03),

15. 10604981 - Window regulator and carrier plate (2020-03-31),

Johnan Manufacturing Inc. is a leading manufacturer specializing in high-quality electronic components. With over 30 years of experience, we have established ourselves as a trusted provider of innovative and reliable products. Our state-of-the-art facilities and skilled workforce enable us to deliver exceptional solutions to our global clientele. Visit our website to learn more about our wide range of products and services.

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

Company Badge

USPTO Data Jan 1 1976 - Jan 13 2026

23 Patents

#32 in Nagano

#2,646 in Japan

#26,876 in the World

Johnan Manufacturing Inc.

Forward Citations = 49

31 inventors:

Hideaki Takehara (5 out of 11 patents)

Hiroki Shimizu (5 out of 6 patents)

Hideaki Kashiwagi (3 out of 10 patents)

4. Hideo Kashiwabara (3 out of 3 patents)

5. Yukihide Yamazaki (3 out of 3 patents)

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