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Kanzaki Paper Mfg. Co., Ltd.

USPTO Granted Patents = 60

Trademarks = 6

Forward Citations = 924

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97 inventors (with patents filed for the assignee):

Ryuzo Hayashi (9 out of 14 patents)

Tsunefumi Yamori (7 out of 9 patents)

Akio Kariyone (6 out of 10 patents)

4. Yoshio Hashizume (6 out of 8 patents)

5. Mikio Takahashi (5 out of 5 patents)

6. Kazuhiro Nojima (4 out of 8 patents)

7. Hironari Fujioka (4 out of 12 patents)

8. Shunichiro Mukoyoshi (4 out of 5 patents)

9. Hisashi Uemura (4 out of 10 patents)

10. Naoto Arai (4 out of 19 patents)

11. Takayasu Hongo (3 out of 14 patents)

12. Hiromasa Kondo (3 out of 3 patents)

13. Hiroo Hayashi (3 out of 8 patents)

14. Kazuo Watanabe (2 out of 2 patents)

15. Shigekazu Shuku (2 out of 3 patents)

Core Competencies:

Ink Jet Recording Sheet

Heat-Sensitive Recording Material

Dot Printer

Image-Receiving Paper

Thermal Transfer Recording

Enzyme Electrode

Cast Coated Paper

Thermal Printer

Dilution System

Tension Mechanism

Coated Paper Production

Printed Film Sheet

60 patents: Sort by Forward Citations

1. 5478631 - Ink jet recording sheet (1995-12-26),

2. 5401708 - Heat-sensitive recording material (1995-03-28),

3. 5393560 - Method for preparing a heat-sensitive recording material (1995-02-28),

4. 5371838 - Dot printer with a reduced average number of dot-expansion operations (1994-12-06),

5. 5320897 - Ink jet recording paper and method of producing it (1994-06-14),

6. 5316621 - Method of pulping waste pressure-sensitive adhesive paper (1994-05-31),

7. 5314132 - Method for changing spools and apparatus therefor (1994-05-24),

8. 5302576 - Image-receiving paper for thermal transfer recording system and method (1994-04-12),

9. 5284396 - Ribbon feeder for a printer having a tension mechanism (1994-02-08),

10. 5275846 - Method of producing a cast coated paper (1994-01-04),

11. 5248597 - Method and apparatus for analyzing starch and related carbohydrates (1993-09-28),

12. 5233365 - Dot-matrix printer having interchangeable line head and moving head (1993-08-03),

13. 5225321 - Measuring apparatus using enzyme electrodes and the method thereof (1993-07-06),

14. 5221521 - Sample liquid dilution system for analytical measurements (1993-06-22),

15. 5217791 - Printed film sheet (1993-06-08),

Kanzaki Paper Mfg. Co., Ltd. is a leading manufacturer of high-quality paper products. With a history dating back over 90 years, they have established themselves as a trusted provider of various paper solutions. Their wide range of products includes packaging paper, printing paper, and specialty paper for various industries. Committed to sustainable practices, Kanzaki Paper Mfg. Co., Ltd. promotes eco-friendly materials and production methods. Their dedication to innovation and customer satisfaction has made them a preferred choice for businesses around the globe.

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

Company Badge

USPTO Data Jan 1 1976 - Dec 9 2025

60 Patents

#57 in

#1,490 in Japan

#11,655 in the World

Kanzaki Paper Mfg. Co., Ltd.

Forward Citations = 924

97 inventors:

Ryuzo Hayashi (9 out of 14 patents)

Tsunefumi Yamori (7 out of 9 patents)

Akio Kariyone (6 out of 10 patents)

4. Yoshio Hashizume (6 out of 8 patents)

5. Mikio Takahashi (5 out of 5 patents)

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