logo

For the Inventor, By the Inventor

Kanagawa, Japan

Graphtec Corporation

Calculating rank
USPTO Granted Patents = 32

% Expired Patents = 3.1


Trademarks = 5

Forward Citations = 227

Loading Chart...
Loading Chart...

29 inventors (with patents filed for the assignee):

goldMedal Takahisa Umezawa (18 out of 18 patents)

silverMedal Kazuhiro Watanabe (9 out of 24 patents)

bronzeMedal Ryoichi Oka (6 out of 8 patents)

4.  Makoto Iwadare (5 out of 5 patents)

5.  Hiroshi Ohtsuka (4 out of 8 patents)

6.  Keiichi Matsushima (3 out of 3 patents)

7.  Tsutomu Ohira (2 out of 2 patents)

8.  Masatoshi Noguchi (2 out of 2 patents)

9.  Kazuhiro Watanabe (2 out of 18 patents)

10.  Michiharu Nishijima (2 out of 3 patents)

11.  Susumu Shoji (1 out of 16 patents)

12.  Mitsuru Yokoyama (1 out of 1 patent)

13.  Hirohito Hori (1 out of 1 patent)

14.  Tamao Umezawa (1 out of 1 patent)

15.  Shinichi Sasaki (1 out of 1 patent)


Core Competencies:
Auto Sheet Feeder
Data Logger
X-Y Plotter
Cutting Plotter
Measurement Data Collector
Embossing Machine
Label Printer
Ink Cartridge
Print Head
Thermal Head
Cordless Digitizer
Tablet Position Digitizer

32 patents:

1. D1013029 - Auto sheet feeder (2024-01-30),
2. D977002 - X-Y plotter for cutting (2023-01-31),
3. D976721 - Data logger (2023-01-31),
4. D972006 - X-Y plotter for cutting (2022-12-06),
5. D956134 - Cutting plotter (2022-06-28),
6. D951341 - X-Y plotter for cutting (2022-05-10),
7. D874559 - X-Y plotter for cutting (2020-02-04),
8. D864286 - Cutting plotter (2019-10-22),
9. D852269 - Cutting plotter (2019-06-25),
10. D848877 - Measurement data collector (2019-05-21),
11. 10279503 - Cutting pen, cutting plotter, and blade extension amount control method of cutting plotter (2019-05-07),
12. 10173364 - Control method of embossing apparatus (2019-01-08),
13. D837290 - Embossing machine (2019-01-01),
14. 10011034 - Cutting plotter (2018-07-03),
15. D802657 - Roll feeder for cutting plotter (2017-11-14),
Company Overview
Graphtec Corporation, headquartered in Kanagawa, Japan, specializes in the development and manufacturing of precision cutting plotters, scanners, and other advanced imaging technologies. The company is recognized for its innovative solutions in the fields of graphic arts, signage, and industrial applications. With a strong emphasis on research and development, Graphtec continually enhances its product offerings to meet the evolving needs of various industries, including education, automotive, and electronics.
Profile summary synthesized from public USPTO records and patent filings.

logo

Company Badge

USPTO Data Jan 1 1976 - Oct 20 2026

Graphtec Corporation USPTO Patent Assignee Logo
32 Patents

#79 in Kanagawa

#2,240 in Japan

#20,697 in the World

Kanagawa, JP
Kanagawa, Japan

Graphtec Corporation

Forward Citations = 227

29 inventors:

goldMedal Takahisa Umezawa (18 out of 18 patents)

silverMedal Kazuhiro Watanabe (9 out of 24 patents)

bronzeMedal Ryoichi Oka (6 out of 8 patents)

4.  Makoto Iwadare (5 out of 5 patents)

5.  Hiroshi Ohtsuka (4 out of 8 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Graphtec Corporation. Retrieved from https://idiyas.com/company/graphtec

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]
Loading…