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Forward Citations = 133

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12 inventors (with patents filed for the assignee):

Kazuhiko Kawano (3 out of 5 patents)

Toru Tsunetsugu (3 out of 4 patents)

Tadahisa Iwasaki (2 out of 2 patents)

4. Hiroshi Kojima (1 out of 2 patents)

5. Takashi Sato (1 out of 1 patent)

6. Tomio Tsuchiya (1 out of 1 patent)

7. Yasuo Matushima (1 out of 1 patent)

8. Junichi Shibata (1 out of 5 patents)

9. Yukimasa Shiozu (1 out of 1 patent)

10. Akira Nakagawa (1 out of 1 patent)

11. Norimasa Nakamura (1 out of 1 patent)

12. Satoshi Kishimoto (1 out of 1 patent)

9 patents: Sort by Forward Citations

1. 4878217 - Data outputting device (1989-10-31),

2. D291435 - Automatic telephone answering and recording machine (1987-08-18),

3. D290606 - Telephone set (1987-06-30),

4. D290353 - Combined telephone, automatic answering and recording machine (1987-06-16),

5. 4641116 - Microwave filter (1987-02-03),

6. 4599662 - Mechanism for driving a tape recorder (1986-07-08),

7. 4584602 - Polling system and method using nondedicated telephone lines (1986-04-22),

8. 4378578 - Mode control device for tape recorders (1983-03-29),

9. 4345114 - Method and apparatus for recording and reproducing a message with an (1982-08-17),

Pioneer Ansafone Manufacturing Corporation is a leading provider of high-quality call center equipment and solutions. With over 20 years of experience in the industry, we specialize in designing and manufacturing state-of-the-art communication technology. Our products are used by businesses of all sizes to streamline their communication processes and improve customer service. From call center headsets to advanced interactive voice response systems, we offer a comprehensive range of products to meet the needs of our clients. Visit our website to learn more about how Pioneer Ansafone Manufacturing Corporation can help your business succeed in the world of communication technology.

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USPTO Data Jan 1 1976 - Dec 16 2025

9 Patents

#71 in Saitama 343-0827

#4,574 in Japan

Saitama, Japan

Pioneer Ansafone Manufacturing Corporation