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For the Inventor, By the Inventor

Hachioji, Japan

Manabu Kawabe

This inventor holds 16 USPTO granted patents. Top assignees: Renesas Electronics Corporation, Renesas Technology Corp., Hitachi, Ltd.. Active years: 2002-2012.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Manabu Kawabe. Retrieved from https://idiyas.com/inventor/manabu-kawabe-l7prtdf1

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

USPTO Granted Patents = 16

% Patents Active = 43.8

Average Co-Inventor Count = 4.3

ph-index = 6

Forward Citations = 124(Granted Patents)


Location History:

  • Fujinomachi, JP (2002)
  • Chiyoda-ku, Tokyo JP (2006)
  • Hachioji, JP (2007 - 2012)

Company Filing History:

goldMedal5 out of 7,657 
 
Renesas Electronics Corporation
 patents
silverMedal5 out of 3,781 
 
Renesas Technology Corp.
 patents
bronzeMedal4 out of 42,740 
 
Hitachi, Ltd.
 patents
4. 1 out of 129 
 
Hitachi Communication Technologies, Ltd.
 patents
5. 1 out of 834,570 
Other
 patents

Years Active: 2002-2012

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16 patents (USPTO):Explore Patents
1. 8238864 - Semiconductor integrated circuit (2012-08-07),
2. 8055218 - Wireless transmitter circuit and transceiver using the same (2011-11-08),
3. 7995982 - Semiconductor integrated circuit (2011-08-09),
4. 7800452 - Phase locked loop circuit (2010-09-21),
5. 7783273 - Method and system for calibrating frequencies-amplitude and phase mismatch in a receiver (2010-08-24),
6. 7756505 - Semiconductor integrated circuit and a software radio device (2010-07-13),
7. 7756489 - Software defined radio and library configuration therefor (2010-07-13),
8. 7683723 - Phase locked loop circuits, offset PLL transmitters, radio frequency integrated circuits and mobile phone systems (2010-03-23),
9. 7426377 - Sigma delta (ΣΔ) transmitter circuits and transceiver using the same (2008-09-16),
10. 7352250 - Phase locked loop circuits, offset PLL transmitters, radio frequency integrated circuits and mobile phone systems (2008-04-01),
11. 7346330 - Software-defined radio apparatus (2008-03-18),
12. 7346325 - Receiver, receiving method and portable wireless apparatus (2008-03-18),
13. 7301405 - Phase locked loop circuit (2007-11-27),
14. 7254160 - Radio receiver (2007-08-07),
15. 7088696 - Communication apparatus (2006-08-08),

Title: Manabu Kawabe: Innovator in Semiconductor Technology

Introduction

Manabu Kawabe is a prominent inventor based in Hachioji, Japan. He has made significant contributions to the field of semiconductor technology, holding a total of 16 patents. His work focuses on enhancing the efficiency and functionality of integrated circuits used in mobile communication.

Latest Patents

One of his latest patents involves a semiconductor integrated circuit designed to efficiently calibrate the characteristics of low-pass filters in reception and transmission circuits. This invention includes an RF receiver that processes RF reception signals and an RF transmitter that generates RF transmission signals. The circuit features a calibration test signal that helps detect phase differences between filters, allowing for precise calibration of their cut-off frequencies.

Another notable patent is for a wireless transmitter circuit and transceiver that simplifies mobile communication apparatus. This innovation reduces the number of components required by utilizing a single PLL synthesizer for both RF and IF frequency bands. This design not only minimizes the area occupied by oscillators on a chip but also decreases the overall component count, making it suitable for downsizing.

Career Highlights

Manabu Kawabe has worked with leading companies in the technology sector, including Renesas Technology Corporation and Hitachi, Ltd. His experience in these organizations has allowed him to develop cutting-edge technologies that have a lasting impact on the industry.

Collaborations

Throughout his career, Kawabe has collaborated with notable colleagues such as Satoshi Tanaka and Yukinori Akamine. These partnerships have fostered innovation and contributed to the advancement of semiconductor technology.

Conclusion

Manabu Kawabe's contributions to semiconductor technology through his patents and collaborations highlight his role as a key innovator in the field. His work continues to influence the development of efficient communication systems.

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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