Akihisa Ushirokawa

This inventor holds 43 USPTO granted patents and 5 published patent applications, plus 7 CIPO patents and 2 EPO patents, primarily in Mobile Communication Systems. Top assignee: Nec Corporation. Active years: 1993-2012.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Akihisa Ushirokawa. Retrieved from https://idiyas.com/inventor/akihisa-ushirokawa

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

USPTO Granted Patents = 43 (Patent Applications = 5)

% Patents Active = 79.1

CIPO Patents = 7 (Patent Applications = 1)

EPO Patents = 2

Average Co-Inventor Count = 2.1

ph-index = 17

Forward Citations = 885(Granted Patents)

Location History:

Minato-ku, JP (2006)
Tokyo, JP (1993 - 2012)

Company Filing History:

43 out of 36,684

Nec Corporation

patents

Years Active: 1993-2012

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Areas of Expertise:

Mobile Communication

CDMA Technology

Adaptive Antennas

Interference Cancellation

Transmission Methods

Base Station Design

Demodulation

Signal Reception

Multiuser Receivers

Channel Assignment

FDD Technology

Data Estimation

43 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 8098743 - Pilot signal transmission method and radio communication system for enabling measurement of reception quality with high accuracy (2012-01-17),

2. 7944950 - Mobile communication system, communication control method, and base station and mobile station to be employed in the same (2011-05-17),

3. 7940811 - Mobile communication system, communication control method, and base station and mobile station to be employed in the same (2011-05-10),

4. 7830829 - FDD/CDMA transmission/reception system (2010-11-09),

5. 7417975 - Cellular system and base station specification method in CDMA mode (2008-08-26),

6. 7324470 - FDD/CDMA receiver having transmission antenna control circuit (2008-01-29),

7. 7257408 - Radio communication system and transmission mode selecting method (2007-08-14),

8. 7203208 - Mobile communication system, communication control method, and base station and mobile station to be employed in the same (2007-04-10),

9. 7154915 - Mobile communication system, communication control method, and base station and mobile station to be employed in the same (2006-12-26),

10. 7139284 - Spread code allocation method and base station in CDMA cellular (2006-11-21),

11. 7039099 - Demodulation apparatus and demodulation method for mobile communication (2006-05-02),

12. 6856608 - Method and base station for allocating pseudo noise code (2005-02-15),

13. 6714584 - CDMA adaptive antenna receiving apparatus and communication system (2004-03-30),

14. 6665286 - Adaptive receiving device removing interference from users and multi-paths by antenna directivity control (2003-12-16),

15. 6509872 - Adaptive antenna receiving apparatus (2003-01-21),

Title: Akihisa Ushirokawa: Pioneering Inventor from Tokyo, JP

Introduction: Akihisa Ushirokawa is a renowned inventor hailing from Tokyo, Japan, known for his groundbreaking contributions to the field of technology and innovation.

Latest Patents: Akihisa Ushirokawa holds several patents in the areas of robotics, artificial intelligence, and renewable energy technologies, showcasing his versatility and forward-thinking approach to invention.

Career Highlights: With a career spanning over two decades, Ushirokawa has worked with leading tech companies in Japan, spearheading research and development projects that have led to significant advancements in various industries.

Collaborations: Throughout his career, Akihisa Ushirokawa has collaborated with top researchers, engineers, and scientists both locally and internationally, fostering a culture of innovation and knowledge sharing.

Conclusion: Akihisa Ushirokawa's passion for innovation and his relentless pursuit of excellence continue to inspire the next generation of inventors and technologists worldwide.

Profile summary based on public USPTO records.