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Dai Nippon Insatsu Kabushiki Kaisha

USPTO Granted Patents = 412

CIPO Patents = 1

Trademarks = 15

Forward Citations = 7,079

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390 inventors (with patents filed for the assignee):

Noritaka N Egashira (49 out of 49 patents)

Masanori Akada (41 out of 55 patents)

Masaki M Kutsukake (38 out of 38 patents)

4. Mineo M Yamauchi (33 out of 59 patents)

5. Yoshikazu Ito (27 out of 28 patents)

6. Jumpei J Kanto (27 out of 27 patents)

7. Hideo H Fujimura (21 out of 29 patents)

8. Katsuyuki Oshima (18 out of 77 patents)

9. Hiroshi Yagi (17 out of 74 patents)

10. Masayuki M Nakamura (17 out of 54 patents)

11. Yoshinori Nakamura (16 out of 28 patents)

12. Kazunobu Imoto (15 out of 36 patents)

13. Hideichiro Takeda (15 out of 16 patents)

14. Noboru Akiyama (14 out of 22 patents)

15. Masahisa Yamaguchi (14 out of 23 patents)

Core Competencies:

Hydrogen Production Filter

Polyelectrolyte Fuel Cell

Thin Film Support Substrate

Flexible Multilayer Wiring Board

Resin-Sealed Semiconductor Device

Heat Transfer Cover Films

Image Formation

Thermal Transfer Sheet

Decorative Intermediate Films

Electroconductive Pattern

Disk Cartridge Technology

Manufacturing Processes

412 patents: Sort by Forward Citations

1. 8562847 - Thin film support substrate for use in hydrogen production filter and production method of hydrogen production filter (2013-10-22),

2. 8163157 - Method of producing a hydrogen production filter (2012-04-24),

3. 8043519 - Thin film support substrate for use in hydrogen production filter and production method of hydrogen production filter (2011-10-25),

4. 8007956 - Separator for flat-type polyelectrolyte fuel cell and polyelectrolyte fuel cell employing that separator (2011-08-30),

5. 7803263 - Thin film support substrate for use in hydrogen production filter and production method of hydrogen production filter (2010-09-28),

6. 7745033 - Polymer electrolyte fuel cell and separator for polymer electrolyte fuel cell (2010-06-29),

7. 7744990 - Thin film support substrate for use in hydrogen production filter and production method of hydrogen production filter (2010-06-29),

8. 7399423 - Thin film support substrate for use in hydrogen production filter and production method of hydrogen production filter (2008-07-15),

9. 7316856 - Separator for flat-type polyelectrolyte fuel cell and polyelectrolyte fuel cell employing that separator (2008-01-08),

10. 7241396 - Thin film support substrate for use in hydrogen production filter and production method of hydrogen production filter (2007-07-10),

11. 7185429 - Manufacture method of a flexible multilayer wiring board (2007-03-06),

12. 7128994 - Polyelectrolyte type fuel cell and separator for polyelectrolyte type fuel cell (2006-10-31),

13. 7115818 - Flexible multilayer wiring board and manufacture method thereof (2006-10-03),

14. 7112287 - Thin film supporting substrate for used in filter for hydrogen production filter and method for manufacturing filter for hydrogen production (2006-09-26),

15. 6917375 - Image formation on objective bodies (2005-07-12),

Dai Nippon Insatsu Kabushiki Kaisha, commonly known as DNP, is a Japanese printing company. DNP offers a wide range of printing services, including commercial printing, packaging materials, and decorative materials. With a focus on advanced technology and quality, DNP serves various industries such as publishing, advertising, and electronics. Visit their official website for more information.

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

Company Badge

USPTO Data Jan 1 1976 - Dec 23 2025

412 Patents

#189 in Tokyo

#418 in Japan

#2,212 in the World

Dai Nippon Insatsu Kabushiki Kaisha

Forward Citations = 7,079

390 inventors:

Noritaka N Egashira (49 out of 49 patents)

Masanori Akada (41 out of 55 patents)

Masaki M Kutsukake (38 out of 38 patents)

4. Mineo M Yamauchi (33 out of 59 patents)

5. Yoshikazu Ito (27 out of 28 patents)

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