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Jujo Paper Co., Ltd.

USPTO Granted Patents = 107

CIPO Patents = 1

Forward Citations = 984

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115 inventors (with patents filed for the assignee):

Toshimi Satake (35 out of 48 patents)

Toshiaki Minami (24 out of 44 patents)

Tomoaki Nagai (23 out of 44 patents)

4. Fumio Fujimura (23 out of 23 patents)

5. Kunio Hata (15 out of 15 patents)

6. Akira Hasegawa (14 out of 101 patents)

7. Akio Sekine (11 out of 21 patents)

8. Miyuki Yokoyama (11 out of 11 patents)

9. Hiroaki Umeda (11 out of 11 patents)

10. Mamoru Suzuki (10 out of 66 patents)

11. Hiroshi Fukui (10 out of 92 patents)

12. Yutaka Kojima (10 out of 12 patents)

13. Toshio Kaneko (9 out of 32 patents)

14. Isao Kano (9 out of 14 patents)

15. Noboru Yamato (9 out of 9 patents)

Core Competencies:

Heat-Sensitive Recording

Optical Recording Medium

Ink-Jet Recording

Thermosensitive Recording

Color-Developing Sheet

Coated Printing Paper

Near Infrared Absorbing

Calendering Apparatus

Thermal Recording Sheet

Packaging Machine

Recording Sheet

107 patents: Sort by Forward Citations

1. 5434119 - Transparent recording medium (1995-07-18),

2. 5393443 - Hard-coating, heat-absorbing composition and heat-shielding substance (1995-02-28),

3. 5391666 - Light-responsive plate containing the metal salt of a phthalic acid (1995-02-21),

4. 5376237 - Newsprint (1994-12-27),

5. 5369199 - Light-responsive plate containing metal salt of a phthalic acid (1994-11-29),

6. 5360657 - Coated printing paper and process for producing the same (1994-11-01),

7. 5354514 - Near infrared absorbing composition and material and product containing (1994-10-11),

8. 5352650 - Thermal recording sheet (1994-10-04),

9. 5322831 - Thermal recording sheet (1994-06-21),

10. 5279885 - Ink-jet recording sheet (1994-01-18),

11. 5273800 - Optical recording medium (1993-12-28),

12. 5269743 - Method of imparting increased foldability to fold lines in paperboard (1993-12-14),

13. 5251551 - Calendering apparatus for paper making process (1993-10-12),

14. 5236633 - Plate and sheet comprising near infrared absorbing composition (1993-08-17),

15. 5234797 - Optical recording medium (1993-08-10),

Company Overview

Jujo Paper Co., Ltd., based in Tokyo, specializes in the development and manufacturing of advanced heat-sensitive recording materials. The company focuses on various technologies, including optical recording mediums and ink-jet recording solutions, catering to diverse applications in the printing and imaging sectors. Jujo Paper is recognized for its innovations in thermosensitive recording and color-developing sheets, contributing significantly to the evolution of coated printing paper and related technologies in the industry.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 20 2026

107 Patents

#521 in Tokyo

#1,078 in Japan

#7,342 in the World

Jujo Paper Co., Ltd.

Forward Citations = 984

115 inventors:

Toshimi Satake (35 out of 48 patents)

Toshiaki Minami (24 out of 44 patents)

Tomoaki Nagai (23 out of 44 patents)

4. Fumio Fujimura (23 out of 23 patents)

5. Kunio Hata (15 out of 15 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Jujo Paper Co., Ltd.. Retrieved from https://idiyas.com/company/jujo-paper-company

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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