Manabu Kai

This inventor holds 83 USPTO granted patents and 4 published patent applications and 22 EPO patents, primarily in Antenna Technology (CPC class H01Q1-243). Top assignees: Fujitsu Corporation, Fujitsu Frontech Limited. Active years: 2004-2022.

USPTO Granted Patents = 83 (Patent Applications = 4)

% Patents Active = 27.7

EPO Patents = 22 (Patent Applications = 12)

Average Co-Inventor Count = 2.9

ph-index = 10

Forward Citations = 452(Granted Patents)

Forward Citations (Not Self Cited) = 423(Dec 10, 2025)

Inventors with similar research interests:

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Location History:

Yokosuka, JP (2008 - 2009)
Kawasaki, JP (2004 - 2015)
Yokohama, JP (2014 - 2022)

Company Filing History:

Fujitsu Frontech Limited

patents

where one patent can have more than one assignee

Years Active: 2004-2022

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Areas of Expertise:

Antenna Apparatus

Wireless Communication

RFID Tag

Planar Antenna

Loop Antenna

Multiband Antenna

Radio Frequency Tag

Tag Communication

Antenna Design

Manufacturing Method

Electronic Device

Testing Apparatus

83 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 11245193 - Antenna apparatus and design program for antenna apparatus (2022-02-08),

2. 11024946 - Antenna device and wireless communication device (2021-06-01),

3. 10862212 - Antenna device and wireless communication device (2020-12-08),

4. 10790587 - Multiband antenna and radio communication apparatus (2020-09-29),

5. 10587045 - Antenna device (2020-03-10),

6. 10498020 - Antenna and communication apparatus (2019-12-03),

7. 10476161 - Loop antenna and electronic apparatus (2019-11-12),

8. 10454176 - Antenna apparatus and electronic device (2019-10-22),

9. 10452808 - Non-transitory computer-readable storage medium, antenna design device, and antenna design method (2019-10-22),

10. 9922283 - RFID tag and high frequency circuit (2018-03-20),

11. 9831556 - Planar antenna (2017-11-28),

12. 9819087 - Planar antenna (2017-11-14),

13. 9703997 - RFID tag and RFID system (2017-07-11),

14. 9614284 - Frequency characteristic adjusting jig, antenna testing apparatus and antenna testing method, and loop antenna (2017-04-04),

15. 9590307 - Antenna apparatus (2017-03-07),

Title: Inventor Manabu Kai - Revolutionizing Technology in Kawasaki

Introduction: Manabu Kai is a visionary inventor based in Kawasaki, Japan, known for his groundbreaking contributions to the field of technology and innovation.

Latest Patents: Manabu Kai holds several patents in the areas of robotics, artificial intelligence, and sustainable energy solutions, showcasing his commitment to creating cutting-edge technologies.

Career Highlights: With over two decades of experience in research and development, Manabu Kai has worked for leading tech companies, where he spearheaded projects that have pushed the boundaries of what is possible in the tech industry.

Collaborations: Throughout his career, Manabu Kai has collaborated with top researchers, engineers, and scientists from around the world, fostering a culture of innovation and excellence in all his projects.

Conclusion: Manabu Kai's relentless pursuit of innovation and his passion for creating technologies that make a difference have solidified his reputation as a pioneering inventor in Kawasaki and beyond.