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Panafacom Limited

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USPTO Granted Patents = 24

Forward Citations = 407

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42 inventors (with patents filed for the assignee):

Mitsuru Yamamoto (6 out of 6 patents)

Tomoki Tsumura (4 out of 8 patents)

Toshio Asaji (4 out of 4 patents)

4. Hiroshi Maruoka (4 out of 4 patents)

5. Hiroshi Aoki (3 out of 45 patents)

6. Taihei Yamaguchi (3 out of 3 patents)

7. Haruhiko Tsuchiya (3 out of 3 patents)

8. Shinji Ogawa (3 out of 3 patents)

9. Hiroshi Yamamoto (3 out of 3 patents)

10. Kazuhiko Ikeda (2 out of 2 patents)

11. Takao Isogawa (2 out of 2 patents)

12. Isamu Hasebe (2 out of 2 patents)

13. Jun Arai (2 out of 2 patents)

14. Atsushi Nitta (2 out of 2 patents)

15. Hirotoshi Haida (2 out of 2 patents)

24 patents: Sort by Forward Citations

1. 4896257 - Computer system having virtual memory configuration with second computer (1990-01-23),

2. 4849747 - Display data transfer control apparatus applicable for display unit (1989-07-18),

3. 4837564 - Display control apparatus employing bit map method (1989-06-06),

4. 4827251 - Display control system with control of background luminance or color data (1989-05-02),

5. 4803618 - Multiprocessor system having common memory (1989-02-07),

6. 4801930 - Video information transfer processing system (1989-01-31),

7. 4788655 - Condition code producing system (1988-11-29),

8. 4701846 - Computer system capable of interruption using special protection code (1987-10-20),

9. 4644419 - Floppy disk unit (1987-02-17),

10. 4602330 - Data processor (1986-07-22),

11. D280900 - Printer (1985-10-08),

12. D279190 - Keyboard (1985-06-11),

13. D279189 - Display (1985-06-11),

14. D279187 - Computer (1985-06-11),

15. 4471425 - A data transfer control system for multiple units on a common bus using (1984-09-11),

Company Overview

Panafacom Limited is a technology-driven company based in Yamato, Japan, specializing in the development and manufacturing of advanced electronic components and systems. The organization focuses on innovative solutions in telecommunications and industrial automation, leveraging expertise in areas such as signal processing and circuit design. With a commitment to quality and precision, Panafacom serves a diverse range of industries, contributing to the advancement of technology in both domestic and international markets.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 20 2026

24 Patents

#2 in Yamato

#2,636 in Japan

#26,686 in the World

Panafacom Limited

Forward Citations = 407

42 inventors:

Mitsuru Yamamoto (6 out of 6 patents)

Tomoki Tsumura (4 out of 8 patents)

Toshio Asaji (4 out of 4 patents)

4. Hiroshi Maruoka (4 out of 4 patents)

5. Hiroshi Aoki (3 out of 45 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Panafacom Limited. Retrieved from https://idiyas.com/company/panafacom

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]

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