Fumihiko Kobayashi

This inventor holds 10 USPTO granted patents. Top assignees: Fujitsu Corporation, Ntt Docomo, Inc.. Active years: 1991-2007.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Fumihiko Kobayashi. Retrieved from https://idiyas.com/inventor/fumihiko-kobayashi

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

USPTO Granted Patents = 10

% Patents Active = 90.0

Average Co-Inventor Count = 2.7

ph-index = 6

Forward Citations = 86(Granted Patents)

Location History:

Otawara, JP (1991)
Ootawara, JP (2002)
Yokosuka, JP (2002)
Kawasaki, JP (1995 - 2007)

Company Filing History:

where one patent can have more than one assignee

Years Active: 1991-2007

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10 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 7254377 - Parallel operation system of transmission amplifier (2007-08-07),

2. 6418302 - Wireless device (2002-07-09),

3. 6367266 - Heat insulation chamber, thermostatic chamber and cryostat (2002-04-09),

4. 6148185 - Feed-forward amplifying device and method of controlling the same and (2000-11-14),

5. 5898339 - Feedforward amplifier (1999-04-27),

6. 5548799 - Mobile communication system having a control for limiting the number of (1996-08-20),

7. 5515000 - Feed-forward amplifier of a type preventing unwanted waves from being (1996-05-07),

8. 5477187 - Feed forward amplifier (1995-12-19),

9. 5442811 - Loop testable radio transmitters/receivers (1995-08-15),

10. 5021757 - Band pass filter (1991-06-04),

Title: Fumihiko Kobayashi: Innovator in Wireless Technology

Introduction

Fumihiko Kobayashi is a prominent inventor based in Kawasaki, Japan. He has made significant contributions to the field of wireless technology, holding a total of 10 patents. His innovative work focuses on enhancing transmission systems and wireless devices.

Latest Patents

Kobayashi's latest patents include a parallel operation system of transmission amplifiers. This system enables the parallel running of two distortion compensation amplifiers using a digital pre-distorter system. It allows for easy switching between single and parallel operations. The system consists of first and second transmission amplifiers that receive common input signals and output amplified signals. A coupling unit combines the outputs of these amplifiers to provide a unified output. Each amplifier features a main amplifier and a modulation unit, with the output of one modulation unit being fed to both main amplifiers.

Another notable patent is for a wireless device that transmits multiple wireless channels within a designated frequency band. This device organizes channels into odd-numbered and even-numbered systems, with specific gaps to minimize interference. It includes transmission amplifiers, multiple band elimination filters, and circulators to optimize signal transmission from an antenna.

Career Highlights

Fumihiko Kobayashi has worked with leading companies in the technology sector, including Fujitsu Corporation and NTT Docomo, Inc. His experience in these organizations has contributed to his expertise in wireless communication systems.

Collaborations

Kobayashi has collaborated with notable professionals in his field, including Satoshi Maruyama and Junichi Hasegawa. These partnerships have furthered his research and development efforts in wireless technology.

Conclusion

Fumihiko Kobayashi's innovative contributions to wireless technology and his extensive patent portfolio highlight his role as a leading inventor in the industry. His work continues to influence advancements in 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]