For the Inventor, By the Inventor

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Kanagawa, Japan

Graphtec Corporation

USPTO Granted Patents = 32

EPO Patents = 8

Trademarks = 5

Forward Citations = 220

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29 inventors (with patents filed for the assignee):

Takahisa Umezawa (18 out of 18 patents)

Kazuhiro Watanabe (9 out of 23 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)

32 patents: Sort by Forward Citations

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),

Graphtec Corporation is a leading manufacturer of cutting plotters and imaging products. With a history dating back to 1949, Graphtec has established itself as a trusted provider of high-quality, reliable solutions for industries such as sign making, apparel, and packaging. The company's innovative technology and commitment to customer satisfaction have earned it a strong reputation in the market.

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

Company Badge

USPTO Data Jan 1 1976 - Jan 6 2026

32 Patents

#73 in Kanagawa

#2,183 in Japan

#20,109 in the World

Kanagawa, Japan

Graphtec Corporation

Forward Citations = 220

29 inventors:

Takahisa Umezawa (18 out of 18 patents)

Kazuhiro Watanabe (9 out of 23 patents)

Ryoichi Oka (6 out of 8 patents)

4. Makoto Iwadare (5 out of 5 patents)

5. Hiroshi Ohtsuka (4 out of 8 patents)

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