logo

For the Inventor, By the Inventor

Kanagawa, Japan

Hiroo Takahashi

This inventor holds 75 USPTO granted patents and 12 published patent applications and 20 EPO patents, primarily in Communication Systems (CPC class H04L). Top assignees: Sony Corporation, Sony Semiconductor Solutions Corporation, Nec Corporation. Active years: 1979-2026.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Hiroo Takahashi. Retrieved from https://idiyas.com/inventor/hiroo-takahashi

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

USPTO Granted Patents = 75 

% Patents Active = 84.0

 

Average Co-Inventor Count = 2.5

ph-index = 6

Forward Citations = 120(Granted Patents)

Forward Citations (Not Self Cited) = 101(Dec 10, 2025)


Inventors with similar research interests:


Location History:

  • Chigasaki, JP (1979)
  • Fujisawa, JP (1979)
  • Minato-ku, JP (2015)
  • Tokyo, JP (1998 - 2021)
  • Kanagawa, JP (1992 - 2023)

Company Filing History:

goldMedal33 out of 58,147 
 
Sony Corporation
 patents
silverMedal27 out of 3,308 
 
Sony Semiconductor Solutions Corporation
 patents
bronzeMedal6 out of 36,718 
 
Nec Corporation
 patents
4. 3 out of 92 
 
Nec Energy Devices, Ltd.
 patents
5. 2 out of 31 
 
Envision Aesc Energy Devices Ltd.
 patents
6. 2 out of 1,198 
 
Ihi Corporation
 patents
7. 2 out of 4,260 
 
Sony Group Corporation
 patents
8. 1 out of 871 
 
Kyoto University
 patents
9. 1 out of 264 
 
National Cancer Center
 patents
10. 1 out of 846 
 
Otsuka Pharmaceutical Company, Limited
 patents
where one patent can have more than one assignee

Years Active: 1979-2026

Loading Chart...
Loading Chart...
Areas of Expertise:
Sm-Fe-N Magnet
Motor
Information Processing
Mobile Device
Image Sensor
Negative Electrode
Lithium Ion Battery
Data Transmission
Signal Reception
Signal Transmission
Chemoradiotherapy
Communication Method
75 patents (USPTO):Explore Patents
1. 12750234 - Information processor, mobile body apparatus, and communication system (2026-09-29),
2. 12603203 - Method of manufacturing Sm—Fe—N magnet, Sm—Fe—N magnet, and motor having Sm—Fe—N magnet (2026-04-14),
3. 12457279 - Communication apparatus and communication method as well as program (2025-10-28),
4. 12445539 - Communication device and communication system (2025-10-14),
5. 12407661 - Information processing device, mobile device, and communication system (2025-09-02),
6. 12401490 - Communication device and communication method (2025-08-26),
7. 12375456 - Information processing apparatus, mobile apparatus, and communication system (2025-07-29),
8. 12375413 - Transmission device, reception device, and communication system (2025-07-29),
9. 12362857 - Communication device and communication system (2025-07-15),
10. 12308964 - Communication apparatus and communication method, and program (2025-05-20),
11. 12284138 - Communication apparatus, communication system, and communication method (2025-04-21),
12. 12231235 - Communication device, communication method, and program (2025-02-18),
13. 12182042 - Transmission device, reception device, and communication system (2024-12-31),
14. 12149366 - Communication device and communication system for retransmission control (2024-11-19),
15. 12095709 - Communication device, communication system and communication method (2024-09-17),

Title: Innovations by Hiroo Takahashi: Pioneering Communication Technologies

Introduction

Hiroo Takahashi, a prominent inventor located in Kanagawa, Japan, has made significant contributions to the field of communication technology, holding a commendable total of 64 patents. His innovations focus on improving communication quality and methods, showcasing his commitment to advancing technological standards.

Latest Patents

Among Takahashi's latest patents are a communication device, a communication method, and a program designed to enhance communication quality. This technology introduces a retransmission detection unit that acquires a message count from the header of packets transmitted via a data channel. It determines the candidate packets requiring retransmission and generates request data for their retransmission. Moreover, this innovative approach can be notably utilized in communication systems installed in vehicles, thereby enhancing their operational reliability. Additionally, he has developed a transmission device that communicates with a reception device using a control data bus, incorporating a generation unit that produces interrupt requests for identified transmission data.

Career Highlights

Hiroo Takahashi's professional journey includes notable positions at Sony Corporation and Sony Semiconductor Solutions Corporation. His extensive experience with these renowned companies has played a crucial role in shaping his inventive prowess.

Collaborations

Throughout his career, Takahashi has collaborated with esteemed individuals in the industry, including Naohiro Koshisaka and Sonfun Lee. These partnerships reflect his ability to work alongside other innovators and contribute to cutting-edge technologies.

Conclusion

Hiroo Takahashi stands out as an influential inventor whose work in communication technology continues to set new standards. With his impressive portfolio of patents and collaborations, he remains a key figure in driving innovations that enhance communication systems around the world.

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]
Loading…