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Kanzaki Paper Manufacturing Co., Ltd.

USPTO Granted Patents = 195

Forward Citations = 1,723

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198 inventors (with patents filed for the assignee):

Mitsuru Kondo (31 out of 43 patents)

Hiroshi Iwasaki (16 out of 17 patents)

Tomoharu Shiozaki (15 out of 16 patents)

4. Makoto Miyake (15 out of 21 patents)

5. Nobuo Kanda (15 out of 17 patents)

6. Toranosuke Saito (14 out of 31 patents)

7. Naoto Arai (13 out of 19 patents)

8. Tetsuo Tsuchida (11 out of 20 patents)

9. Shunsuke Shioi (10 out of 10 patents)

10. Katsuhiko Ishida (10 out of 14 patents)

11. Tosaku Okamoto (9 out of 10 patents)

12. Takayasu Hongo (9 out of 14 patents)

13. Shinsuke Irii (9 out of 9 patents)

14. Toshitake Suzuki (9 out of 10 patents)

15. Takeshi Murakami (8 out of 19 patents)

Core Competencies:

Optical Isomers

Birefringence Measurement

Pressure Sensitive Materials

Microcapsules

Thermal Transfer Printing

Color Developer Composition

Enzyme Electrodes

Selective Permeable Membrane

Ink Jet Recording

Thermal Printers

Self-Adhesive Sheets

Water-Sensitive Coloring

195 patents: Sort by Forward Citations

1. 5510244 - Apparatus and method for assaying optical isomers (1996-04-23),

2. 5504581 - Method and apparatus for measuring birefringence (1996-04-02),

3. 5478793 - Pressure sensitive recording materials (1995-12-26),

4. 5443909 - Microcapsule containing ultraviolet absorber (1995-08-22),

5. 5401699 - Heat-sensitive recording material (1995-03-28),

6. 5393332 - Color developer for pressure-sensitive recording sheets (1995-02-28),

7. 5372917 - Recording material (1994-12-13),

8. 5360780 - Image-receiving sheet for thermal transfer printing with a layer (1994-11-01),

9. 5328884 - Pressure sensitive manifold sheet containing color developer composition (1994-07-12),

10. 5320939 - Measuring apparatus of two components using enzyme electrodes and the (1994-06-14),

11. 5306413 - Assay apparatus and assay method (1994-04-26),

12. 5296440 - Heat-sensitive recording medium (1994-03-22),

13. 5280274 - Method of detecting residual amount of web roll (1994-01-18),

14. 5279472 - Paper feeding device and an application thereof (1994-01-18),

15. 5276002 - Image-receiving sheet for thermal dye-transfer recording (1994-01-04),

Kanzaki Paper Manufacturing Co., Ltd. is a leading paper manufacturer based in Japan. With a rich history spanning over 70 years, we specialize in the production of high-quality paper products for various industries. Our commitment to innovation and customer satisfaction has allowed us to establish a strong presence in both domestic and international markets. We offer a wide range of paper solutions, including printing paper, packaging paper, specialty paper, and more. Visit our website to explore our products and learn more about our company.

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

Company Badge

USPTO Data Jan 1 1976 - Jan 6 2026

195 Patents

#314 in Tokyo

#698 in Japan

#4,209 in the World

Kanzaki Paper Manufacturing Co., Ltd.

Forward Citations = 1,723

198 inventors:

Mitsuru Kondo (31 out of 43 patents)

Hiroshi Iwasaki (16 out of 17 patents)

Tomoharu Shiozaki (15 out of 16 patents)

4. Makoto Miyake (15 out of 21 patents)

5. Nobuo Kanda (15 out of 17 patents)

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