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For the Inventor, By the Inventor

Tokyo, Japan

Toppan Inc.

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USPTO Granted Patents = 176


Trademarks = 1

Forward Citations = 18

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313 inventors (with patents filed for the assignee):

goldMedal Yoshiko Ishimaru (8 out of 11 patents)

silverMedal Ayumi Tanaka (7 out of 8 patents)

bronzeMedal Miki Fukugami (5 out of 12 patents)

4.  Kiyoaki Nishitsuji (5 out of 15 patents)

5.  Takeshi Nishikawa (5 out of 24 patents)

6.  Tomohiro Nakagome (5 out of 17 patents)

7.  Yu Ookubo (5 out of 7 patents)

8.  Koichi Sagawa (5 out of 5 patents)

9.  Taisuke Enya (5 out of 5 patents)

10.  Shinichi Shimamura (5 out of 5 patents)

11.  Akihito Kagotani (4 out of 21 patents)

12.  Akiharu Miyanaga (4 out of 16 patents)

13.  Soichiro Nikata (4 out of 11 patents)

14.  Hanae Tagami (4 out of 5 patents)

15.  Toshiji Yasuhara (4 out of 5 patents)


Core Competencies:
Gas Barrier Laminate
Packaging Material
Flexible Wiring Board
Quantum Dot
Solid-State Image Sensor
Light Control Sheet
Electrode Catalyst Layer
Photoelectric Conversion
Display Device
Thermal Transfer Medium
Wavelength Selective Filter
Decorative Sheet

176 patents:

1. 12773844 - Decorative sheet and decorative material (2026-10-27),
2. 12772587 - Microlens array and manufacturing method thereof (2026-10-20),
3. 12769000 - Range imaging device and range imaging method (2026-10-20),
4. 12767891 - Light control sheet, method for producing light control sheet, and liquid crystal composition for polymer dispersion (2026-10-20),
5. 12760260 - Transfer device for living organisms (2026-10-13),
6. 12753285 - Gas barrier laminate, packaging material, packaging body, and packaged article (2026-10-06),
7. 12752990 - Layered gas-barrier product and packaging bag (2026-10-06),
8. 12744224 - Electrode catalyst layer, membrane electrode assembly, and polymer electrolyte fuel cell (2026-09-22),
9. 12740223 - Electroluminescent element, light-emitting device, and method for producing electroluminescent element (2026-09-15),
10. 12736636 - Range imaging device and range imaging method (2026-09-15),
11. 12735555 - Biodegradable resin composition and molded body (2026-09-15),
12. 12729323 - Adhesive sheet, display device using the same, composition for forming adhesive layer used for production of adhesive film (2026-09-08),
13. 12713723 - SOLID-STATE IMAGE SENSOR AND METHOD FOR PRODUCING THE SAME (2026-08-18),
14. 12713660 - THIN FILM TRANSISTOR AND METHOD OF MANUFACTRUTING THIN FILM TRANSISTOR (2026-08-18),
15. 12710566 - OPTICAL FILM, DISPLAY DEVICE, AND COMPOSITION FOR FORMING COLORED LAYER (2026-08-18),
Company Overview
Toppan Inc., headquartered in Tokyo, Japan, is a leader in gas barrier technology, specializing in advanced materials that enhance packaging and electronic applications. The company develops innovative solutions such as gas barrier laminates and flexible wiring boards, contributing significantly to the fields of packaging materials and electronics. Toppan's expertise extends to quantum dots, solid-state image sensors, light control sheets, and electrode catalyst layers, positioning it at the forefront of technology that supports various industries, including consumer electronics and packaging.
Profile summary synthesized from public USPTO records and patent filings.

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USPTO Data Jan 1 1976 - Oct 27 2026

176 Patents

#391 in Tokyo

#771 in Japan

#4,732 in the World

Tokyo, JP
Tokyo, Japan

Toppan Inc.

Forward Citations = 18

313 inventors:

goldMedal Yoshiko Ishimaru (8 out of 11 patents)

silverMedal Ayumi Tanaka (7 out of 8 patents)

bronzeMedal Miki Fukugami (5 out of 12 patents)

4.  Kiyoaki Nishitsuji (5 out of 15 patents)

5.  Takeshi Nishikawa (5 out of 24 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Toppan Inc.. Retrieved from https://idiyas.com/company/toppan

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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