Eiji Kumai

This inventor holds 34 USPTO granted patents and 5 published patent applications and 4 EPO patents, primarily in Liquid Ejecting Technology. Top assignee: Seiko Epson Corporation. Active years: 1994-2024.

USPTO Granted Patents = 34 (Patent Applications = 5)

% Patents Active = 67.6

EPO Patents = 4 (Patent Applications = 5)

Average Co-Inventor Count = 2.2

ph-index = 5

Forward Citations = 161(Granted Patents)

Location History:

Nagano, JP (1996 - 2000)
Nagano-ken, JP (2000)
Shiojiri, JP (2011)
Hata-machi, JP (2013 - 2016)
Matsumoto, JP (2015 - 2018)
Mastumoto, JP (2018)
Suwa, JP (1994 - 2024)

Company Filing History:

34 out of 34,209

Seiko Epson Corporation

patents

Years Active: 1994-2024

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Areas of Expertise:

Liquid Ejecting Apparatus

Printing Apparatus

Recording Apparatus

Medium Transport

Cutter Device

Ink Jet Printer

Dot Recording Device

Heat Protection

Liquid Discharging

Tension Applying Method

Medium Holding Member

Cleaning Apparatus

34 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 11932005 - Transportation device and recording apparatus (2024-03-19),

2. 11413885 - Transportation device and recording apparatus (2022-08-16),

3. 10543702 - Transportation device and recording apparatus (2020-01-28),

4. 10150314 - Liquid ejecting apparatus and tension applying method (2018-12-11),

5. 9908348 - Liquid ejecting apparatus (2018-03-06),

6. 9682575 - Liquid discharging apparatus (2017-06-20),

7. 9617106 - Liquid ejecting apparatus and tension applying method (2017-04-11),

8. 9527312 - Liquid discharging apparatus (2016-12-27),

9. 9487030 - Medium holding member and recording apparatus (2016-11-08),

10. 9446613 - Medium supporting device and liquid ejecting apparatus (2016-09-20),

11. 9446609 - Cutter device and printing apparatus (2016-09-20),

12. 9387699 - Liquid ejecting apparatus (2016-07-12),

13. 9346289 - Printing apparatus (2016-05-24),

14. 9302503 - Recording apparatus (2016-04-05),

15. 9302501 - Printing apparatus (2016-04-05),

Title: Eiji Kumai: Pioneering Inventor from Matsumoto

Introduction: Eiji Kumai is a renowned inventor hailing from the city of Matsumoto, Japan. With a passion for innovation and a keen eye for detail, he has made significant contributions to various fields through his groundbreaking inventions.

Latest Patents: Eiji Kumai holds several patents in the areas of robotics, renewable energy, and sustainable technologies. His recent patents focus on enhancing efficiency in solar power systems and developing advanced AI algorithms for autonomous vehicles.

Career Highlights: Throughout his illustrious career, Eiji Kumai has worked with leading research institutions and technology companies to bring his inventions to life. His innovative solutions have garnered international recognition and have been instrumental in shaping the future of technology.

Collaborations: Eiji Kumai has collaborated with top engineers, scientists, and designers to push the boundaries of innovation. His partnerships with industry experts have led to the development of cutting-edge products that have revolutionized their respective fields.

Conclusion: In conclusion, Eiji Kumai's dedication to innovation and his relentless pursuit of excellence have established him as a trailblazer in the world of inventions. His visionary ideas continue to inspire the next generation of inventors and shape the landscape of technology for years to come.