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Advanced Technology Institute of Commuter-helicopter, Ltd.

USPTO Granted Patents = 24

Forward Citations = 536

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30 inventors (with patents filed for the assignee):

Eiichi Yamakawa (19 out of 19 patents)

Hiroki Nishimura (5 out of 6 patents)

Tatsuhiko Goi (4 out of 4 patents)

4. Makoto Aoki (4 out of 4 patents)

5. Noriaki Katayama (3 out of 3 patents)

6. Tatsuro Hongu (3 out of 3 patents)

7. Natsuki Kondo (3 out of 3 patents)

8. Atsushi Murashige (2 out of 3 patents)

9. Tetsuya Hori (2 out of 2 patents)

10. Takeshi Tomio (2 out of 2 patents)

11. Yoshiharu Kubo (2 out of 3 patents)

12. Kouji Kawakami (2 out of 2 patents)

13. Tomoka Tsujiuchi (2 out of 2 patents)

14. Noboru Kobiki (2 out of 2 patents)

15. Eiji Shima (1 out of 3 patents)

24 patents: Sort by Forward Citations

1. 6512344 - Control apparatus equipped with back drive (2003-01-28),

2. 6499690 - Rotor blade flap drive apparatus (2002-12-31),

3. 6474945 - Flap hinge mechanism, method for manufacturing the same, and flap hinge apparatus (2002-11-05),

4. 6454207 - Flap support mechanism and a flap-equipped rotor blade (2002-09-24),

5. 6334592 - Flight control apparatus for helicopters (2002-01-01),

6. 6315522 - Helicopter blade aerofoil and helicopter blade (2001-11-13),

7. 6312358 - Constant speed drive apparatus for aircraft generator and traction speed change apparatus (2001-11-06),

8. 6273681 - Rotor blade flap driving apparatus (2001-08-14),

9. 6272404 - Flight path indicated apparatus (2001-08-07),

10. 6257529 - Servo actuator apparatus and aircraft control apparatus (2001-07-10),

11. 6254504 - Power transmission apparatus for helicopter (2001-07-03),

12. 6231308 - Rotor blade for rotary wing aircraft (2001-05-15),

13. 6198991 - Low-noise level landing apparatus and system for helicopters (2001-03-06),

14. 6190132 - Rotor blade for rotorcraft (2001-02-20),

15. 6164918 - Helicopter blade aerofoil (2000-12-25),

Advanced Technology Institute of Commuter-helicopter, Ltd. is a leading company specializing in the development and manufacturing of cutting-edge commuter helicopters. With a strong focus on innovative technologies, safety, and eco-friendly designs, we strive to redefine the future of urban transportation. Our team of highly skilled engineers and technicians work tirelessly to deliver reliable, efficient, and environmentally sustainable helicopter solutions to meet the evolving needs of our clients. Visit our website to learn more about our advanced technologies and explore our range of commuter helicopters.

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

Company Badge

USPTO Data Jan 1 1976 - Dec 9 2025

24 Patents

#3 in Gifu, 501-32

#2,580 in Japan

#25,825 in the World

Advanced Technology Institute of Commuter-helicopter, Ltd.

Forward Citations = 536

30 inventors:

Eiichi Yamakawa (19 out of 19 patents)

Hiroki Nishimura (5 out of 6 patents)

Tatsuhiko Goi (4 out of 4 patents)

4. Makoto Aoki (4 out of 4 patents)

5. Noriaki Katayama (3 out of 3 patents)

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