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For the Inventor, By the Inventor

Yokohama, Japan

Atsushi Fujiwara

This inventor holds 19 USPTO granted patents, plus 2 CIPO patents and 3 EPO patents, primarily in Wireless Communication. Top assignees: Ntt Docomo, Inc., Nec Corporation, Nitto Kagaku Kogyo Kabushiki Kaisha. Active years: 1990-2013.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Atsushi Fujiwara. Retrieved from https://idiyas.com/inventor/atsushi-fujiwara

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

USPTO Granted Patents = 19

% Patents Active = 21.1



Average Co-Inventor Count = 3.2

ph-index = 9

Forward Citations = 189(Granted Patents)


Location History:

  • Yokohama, JP (2005 - 2012)
  • Kanagawa, JP (1990 - 2013)

Company Filing History:

goldMedal17 out of 4,938 
 
Ntt Docomo, Inc.
 patents
silverMedal1 out of 36,684 
 
Nec Corporation
 patents
bronzeMedal1 out of 23 
 
Nitto Kagaku Kogyo Kabushiki Kaisha
 patents

Years Active: 1990-2013

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Areas of Expertise:
Medium Access Control
Wireless Communication Apparatus
Channel Allocation
Mobile Communication System
Radio Frequency Assigning
Multi-Hop Communication
Routing Control
Packet Transmission
AD-HOC Networks
Coding and Decoding
Received-Signal Combining
Amide Production
19 patents (USPTO):Explore Patents
1. 8446907 - Medium access control method and apparatus in wireless distributed network (2013-05-21),
2. 8233443 - Wireless communication apparatus and wireless communication method (2012-07-31),
3. 7990863 - Channel allocation for access point in mesh network (2011-08-02),
4. 7907890 - Mobile communication system, transmitting station, receiving station, relay station, communication path determining method, and communication path determining program (2011-03-15),
5. 7881660 - Mobile communication system, transmitting station, receiving station, relay station, communication path determining method, and communication path determining program (2011-02-01),
6. 7813275 - Wireless communication device, a wireless communication system and a wireless communication method (2010-10-12),
7. 7738481 - Wireless communication device and wireless communication method (2010-06-15),
8. 7738374 - Channel allocation for access point in mesh network (2010-06-15),
9. 7702280 - Mobile communication system, transmission station, reception station, relay station, communication path deciding method, and communication path deciding program (2010-04-20),
10. 7697457 - Wireless communication apparatus and wireless communication method (2010-04-13),
11. 7693525 - Radio frequency assigning apparatus, wireless communication system, and radio frequency assigning method (2010-04-06),
12. 7620010 - Wireless communications apparatus, and routing control and packet transmission technique in wireless network (2009-11-17),
13. 7619998 - Multi-hop communication system, radio control station, radio station and multi-hop communication method (2009-11-17),
14. 7583651 - Wireless communication apparatus and wireless communication system for adjusting the transmission interval in an AD-HOC wireless network (2009-09-01),
15. 7519029 - Radio communication system, base station, relay station, mobile station, and packet transmission control method (2009-04-14),

Title: Innovations by Atsushi Fujiwara: Pioneering Wireless Communication Technologies

Introduction

Atsushi Fujiwara is a prominent inventor based in Yokohama, Japan, known for his significant contributions to the field of wireless communication. With a remarkable portfolio comprising 17 patents, Fujiwara has continuously pushed the boundaries of innovation in technology.

Latest Patents

Among his latest inventions, two noteworthy patents stand out. The first is a **Medium Access Control Method and Apparatus in Wireless Distributed Network**. This invention outlines a pair scheduling medium access control method used in a wireless network. The process involves a receiving node checking if a transmitting node has data packets to send and determining whether it should communicate back based on data transmission capabilities.

The second patent, titled **Wireless Communication Apparatus and Wireless Communication Method**, introduces a comprehensive wireless communication apparatus. This device incorporates features like detection means for other nearby wireless apparatus, comparison means for reference values, and correction mechanisms for these values. These innovations enhance the efficiency and reliability of wireless communication by ensuring frequency compatibility between different devices.

Career Highlights

Fujiwara is currently affiliated with NTT Docomo, Inc., a leading telecommunications company renowned for its cutting-edge technology and services. His work there reflects a deep commitment to advancing wireless communication systems, contributing to both commercial products and broader research applications in the industry.

Collaborations

Throughout his career, Atsushi Fujiwara has worked closely with esteemed colleagues, including Shinji Takeda and Hitoshi Yoshino. Their collaboration fosters an environment of creativity and technological advancement, enabling them to tackle complex challenges in wireless communication together.

Conclusion

Atsushi Fujiwara's innovative spirit and contributions in wireless communications demonstrate the critical role of inventors in shaping modern technology. With a robust portfolio of patents, his work continues to influence the way wireless networks operate, paving the way for a more connected future. His legacy is one of ingenuity and collaboration, inspiring the next generation of inventors and technology enthusiasts.

Profile summary based on public USPTO records.
Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]
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