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Takeda Riken Kogyo Kabushiki Kaisha

USPTO Granted Patents = 45

Forward Citations = 758

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53 inventors (with patents filed for the assignee):

Shoji Niki (6 out of 7 patents)

Tsuneta Sudo (4 out of 6 patents)

Yoshichika Ichimiya (4 out of 5 patents)

4. Masao Shimizu (3 out of 10 patents)

5. Masakazu Mitamura (3 out of 3 patents)

6. Kohji Ishikawa (3 out of 4 patents)

7. Naoaki Narumi (3 out of 4 patents)

8. Shigeru Sugamori (3 out of 4 patents)

9. Noboru Akiyama (2 out of 22 patents)

10. Mishio Hayashi (2 out of 20 patents)

11. Kenji Kimura (2 out of 10 patents)

12. Takayuki Nakajima (2 out of 6 patents)

13. Masaaki Hirose (2 out of 3 patents)

14. Isao Hayasaka (2 out of 2 patents)

15. Hitoshi Ashida (2 out of 2 patents)

45 patents: Sort by Forward Citations

1. 4835535 - Digital-to-analog converting apparatus equipped with calibrating function (1989-05-30),

2. 4719365 - Clocked logic delay device which corrects for the phase difference (1988-01-12),

3. 4713788 - Burst signal generator (1987-12-15),

4. 4701918 - Logic analyzer (1987-10-20),

5. 4696004 - Logic analyzer (1987-09-22),

6. 4680540 - Device for measuring average frequencies (1987-07-14),

7. 4670879 - Pattern generator (1987-06-02),

8. 4654848 - Multi-trigger logic analyzer (1987-03-31),

9. 4623845 - Multi-clock generator (1986-11-18),

10. 4611926 - Time interval measuring instrument (1986-09-16),

11. 4600994 - Phase difference measuring apparatus (1986-07-15),

12. 4477770 - Noise field intensity measuring apparatus (1984-10-16),

13. 4468614 - Average frequency measuring apparatus (1984-08-28),

14. 4464656 - Waveform display apparatus (1984-08-07),

15. 4460879 - Variable tuning device (1984-07-17),

Takeda Riken Kogyo Kabushiki Kaisha is a manufacturing company that specializes in the production of chemical and industrial products. With a focus on research and development, they provide high-quality solutions for various industries including automotive, construction, and electronics. For more information about their products and services, please visit their website.

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

Company Badge

USPTO Data Jan 1 1976 - Dec 9 2025

45 Patents

#743 in Tokyo

#1,789 in Japan

#14,962 in the World

Takeda Riken Kogyo Kabushiki Kaisha

Forward Citations = 758

53 inventors:

Shoji Niki (6 out of 7 patents)

Tsuneta Sudo (4 out of 6 patents)

Yoshichika Ichimiya (4 out of 5 patents)

4. Masao Shimizu (3 out of 10 patents)

5. Masakazu Mitamura (3 out of 3 patents)

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