logo

For the Inventor, By the Inventor

Tokyo, Japan

Yasuo Nagazumi

This inventor holds 19 USPTO granted patents, primarily in Charge Transfer Technology. Top assignees: G.d.s. Co., Ltd., General Research of Electronics, Inc., C.d.s. Co., Ltd.. Active years: 1986-2002.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Yasuo Nagazumi. Retrieved from https://idiyas.com/inventor/yasuo-nagazumi

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 = 100.0

Average Co-Inventor Count = 1.0

ph-index = 7

Forward Citations = 233(Granted Patents)


Location History:

  • Ootsuka, Bunkyoueku, JP (1996)
  • Tokyo 112, JP (1997)
  • Bunkyo-ku, Tokyo, JP (1996 - 1999)
  • Tokyo, 153, JP (1999)
  • Tokyo 107, JP (1999)
  • Tokyo, JP (1986 - 2002)
  • Meguro-ku, Tokyo JP (1999 - 2002)

Company Filing History:

goldMedal13 out of 13 
 
G.d.s. Co., Ltd.
 patents
silverMedal3 out of 102 
 
General Research of Electronics, Inc.
 patents
bronzeMedal1 out of 1 
 
C.d.s. Co., Ltd.
 patent
4. 1 out of 1 
 
Yasuo Nagazumi
 patent
5. 10 out of 834,570 
Other
 patents
where one patent can have more than one assignee

Years Active: 1986-2002

Loading Chart...
Areas of Expertise:
Charge Transfer Element
Radar Apparatus
Analog Operation Circuit
Signal Filter
Filtering AD Converter
Systolic Array Processor
Digital To Analog Converter
Fuzzy Logic Circuit
Spread Spectrum Communication
Digital Image Exchange
Brightness Intensification
19 patents (USPTO):Explore Patents
1. 6473454 - Rake combiner apparatus using charge transfer element (2002-10-29),
2. 6381261 - Random pulse type radar apparatus (2002-04-30),
3. 5987491 - General purpose charge mode analog operation circuit (1999-11-16),
4. 5936567 - Parallel charge signal delivery system, and filtering AD converter using (1999-08-10),
5. 5936461 - Charge domain signal filter (1999-08-10),
6. 5887025 - Matched filter acting in charge domain (1999-03-23),
7. 5867526 - Matched filter acting in charge domain (1999-02-02),
8. 5701260 - Multiplier using charge transfer device (1997-12-23),
9. 5634067 - Systolic array processor (1997-05-27),
10. 5539404 - Digital to analog converter using recursive signal dividing charge (1996-07-23),
11. 5537115 - Analog-to-digital converter (1996-07-16),
12. 5530953 - Apparatus for relocating spatial information for use in data exchange in (1996-06-25),
13. 5247472 - Fuzzy logic operation circuit utilizing charge coupled devices (1993-09-21),
14. 5228111 - Fuzzy signal defuzzifier using charged coupled devices (1993-07-13),
15. 5136685 - Fuzzy logic computer using charge coupled devices (1992-08-04),

Title: Innovations of Yasuo Nagazumi: A Pioneer in RAKE Receiver Technology

Introduction

Yasuo Nagazumi, an accomplished inventor based in Tokyo, Japan, holds an impressive portfolio of 19 patents. His work significantly contributes to advancements in communication technologies, particularly in the development of innovative signal processing technologies.

Latest Patents

Among his latest inventions is the "Rake combiner apparatus using charge transfer element." This invention features a simplified circuit structure that enables the construction of a high-precision RAKE receiver with lower power consumption. It allows for a customizable finger number within specific limits and implements an efficient RAKE process through charge routing mechanisms and signal accumulation mechanisms. Additionally, the RAKE controller predicts multi-path communication environments, optimizing reception.

Another notable invention is the "Random pulse type radar apparatus," designed to generate a spectrum spread radio wave while minimizing transmission peak power. This apparatus utilizes both phase shift keying and time hopping modulation to enhance signal transmission and reception. It includes advanced features that enable effective echo detection and computation of spatial echo intensity distributions.

Career Highlights

Throughout his career, Yasuo has made significant contributions while working with various companies, including G.D.S. Co., Ltd. His innovative approach to technology has strengthened the industry by integrating unique solutions for complex communication challenges.

Collaborations

Yasuo has collaborated with esteemed colleagues in the field, including Kazuyoshi Imazeki. Their combined expertise has facilitated the development of groundbreaking technologies that push the boundaries of communications and signal processing.

Conclusion

Yasuo Nagazumi's innovations, particularly in RAKE receiver technology and radar apparatuses, exemplify his dedication to advancing communication technologies. His contributions significantly enhance the efficiency and effectiveness of modern signal processing, marking him as an influential figure in his field.

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…