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For the Inventor, By the Inventor

Fukuoka, Japan

Fumio Ichihara

This inventor holds 11 USPTO granted patents and 2 EPO patents. Top assignees: Panasonic Corporation, Matsushita Electric Industrial Co., Ltd.. Active years: 2008-2014.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Fumio Ichihara. Retrieved from https://idiyas.com/inventor/fumio-ichihara-kn17wm5t

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

Calculating rank
USPTO Granted Patents = 11

% Patents Active = 45.5


Average Co-Inventor Count = 3.9

ph-index = 3

Forward Citations = 33(Granted Patents)


Location History:

  • Chikushi-Gun, JP (2008 - 2012)
  • Fukuoka, JP (2009 - 2014)

Company Filing History:

goldMedal9 out of 16,454 
 
Panasonic Corporation
 patents
silverMedal2 out of 27,375 
 
Matsushita Electric Industrial Co., Ltd.
 patents

Years Active: 2008-2014

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11 patents (USPTO):Explore Patents
1. 8860559 - Power supply device (2014-10-14),
2. 8847751 - Line status detection apparatus, communication apparatus, and line status detection method (2014-09-30),
3. 8139759 - Line state detecting apparatus and transmitting apparatus and receiving apparatus of balanced transmission system (2012-03-20),
4. 8040235 - Relay apparatus and electric appliance (2011-10-18),
5. 7949056 - Balanced transmitting apparatus (2011-05-24),
6. 7912139 - Multi-carrier communication apparatus, power line communication circuit, and multi-carrier communication method (2011-03-22),
7. 7864658 - Multicarrier communication method and system, and communication apparatus incorporated therein (2011-01-04),
8. 7633964 - Communication apparatus, communication system and communication method (2009-12-15),
9. 7633774 - Power supply apparatus for suppressing attenuation of a transmission signal (2009-12-15),
10. 7391332 - Radiation information management device and communication device (2008-06-24),
11. 7319384 - Communication apparatus and communication method (2008-01-15),

Title: Fumio Ichihara: Innovator in Power Supply Technology

Introduction

Fumio Ichihara is a notable inventor based in Fukuoka, Japan. He has made significant contributions to the field of power supply technology, holding a total of 11 patents. His work focuses on enhancing the efficiency and functionality of power supply devices.

Latest Patents

Ichihara's latest patents include a power supply device that is capable of supplying information as a power line communication signal superimposed on a voltage of a commercial frequency. This device can supply power to specific external apparatuses while controlling the supply of currents to the external equipment. The apparatus consists of a power receiving section, a power line communicating section, and a power supply limiting section. Another notable patent involves a line status detection apparatus and communication apparatus that transmits a pilot signal and detects unbalance components in a transmission line, allowing for improved transmission control.

Career Highlights

Throughout his career, Fumio Ichihara has worked with prominent companies such as Panasonic Corporation and Matsushita Electric Industrial Co., Ltd. His experience in these organizations has contributed to his expertise in power supply technologies.

Collaborations

Ichihara has collaborated with talented individuals in the field, including Mutsuhiko Oishi and Akihiro Yamashita. These collaborations have further enriched his innovative endeavors.

Conclusion

Fumio Ichihara's contributions to power supply technology through his patents and collaborations highlight his role as a significant inventor in the industry. His work continues to influence advancements in power supply 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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