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USPTO Data Jan 1 1976 - Oct 6 2026
32 Patents
#79 in Kanagawa
#2,237 in Japan
#20,660 in the World
Graphtec Corporation
Forward Citations = 227
29 inventors:
Graphtec Corporation
% Expired Patents = 3.1
EPO Patents = 8
Trademarks = 5
Forward Citations = 227
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29 inventors (with patents filed for the assignee):
Takahisa Umezawa (18 out of 18 patents)
Kazuhiro Watanabe (9 out of 24 patents)
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:
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 based on public USPTO records.
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Please report any incorrect information to [email protected]
8 patents (EPO):
Please report any incorrect information to [email protected]