Osaka, Japan

Toshifumi Nakatani

This inventor holds 53 USPTO granted patents and 3 EPO patents, primarily in Wireless Communication (CPC class 3134). Top assignees: Matsushita Electric Industrial Co., Ltd., Panasonic Corporation, Matsushita Electronics Corporation. Active years: 1989-2016.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Toshifumi Nakatani. Retrieved from https://idiyas.com/inventor/toshifumi-nakatani

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

Calculating rank

% Patents Active = 56.6

 

Average Co-Inventor Count = 2.6

ph-index = 12

Forward Citations = 565(Granted Patents)

Forward Citations (Not Self Cited) = 552(Dec 10, 2025)


Inventors with similar research interests:


Location History:

  • Moriguchi, JP (1989 - 2006)
  • Sakai, JP (2005 - 2008)
  • Izumi, JP (2005 - 2008)
  • Kanagawa, JP (2013 - 2015)
  • Osaka, JP (1994 - 2016)

Company Filing History:


Years Active: 1989-2016

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Areas of Expertise:
Wireless Module
Quadrature Hybrid Coupler
High Efficiency Transmitter
Multi-Antenna Communication
Radio Communication Apparatus
Variable Gain Amplifier
Frequency Synthesizer
Differential Circuit
High Frequency Device
Amplifier
Low-Noise Circuit
Cathode-Ray Tube
53 patents (USPTO):Explore Patents

Title: Innovations of Toshifumi Nakatani in Wireless Technology

Introduction

Toshifumi Nakatani, an esteemed inventor based in Osaka, Japan, has made significant contributions to the field of wireless technology. With an impressive portfolio of 53 patents, his work primarily focuses on advancements in wireless communication and non-contact charging technologies.

Latest Patents

Among Nakatani's latest innovations is a groundbreaking invention related to a wireless module and wireless communication apparatus. This technology enables non-contact charging performed with an opposing apparatus while facilitating high-speed wireless communication without the need for highly accurate alignment. The design features a non-contact charging unit that transmits power through a coil and a wireless communication unit that is equipped with multiple antennas arranged at regular intervals. This configuration allows data transmission from each antenna during the non-contact charging process.

Another notable patent involves a quadrature hybrid coupler, amplifier, and wireless communication device. This invention includes a shunt capacitor featuring zigzag wirings of varying lengths across two wiring layers, strategically linked to an induction device and ground. The three-dimensional crossing of the zigzag wirings enhances the performance of the wireless communication device.

Career Highlights

Nakatani has built a distinguished career with recognized companies in the electronics industry. Notable names include Matsushita Electric Industrial Co., Ltd. and Panasonic Corporation. His work in these organizations has allowed him to facilitate significant technological advancements and solidify his reputation as a leading innovator in wireless technologies.

Collaborations

Throughout his career, Nakatani has collaborated with talented professionals such as Hisashi Adachi and Kanji Imai. These partnerships have fostered creative synergy, leading to advancements that benefit the industry and enhance the user experience in wireless communication.

Conclusion

Toshifumi Nakatani's innovative endeavors in wireless technology exemplify the transformative power of invention. His 53 patents reflect a commitment to developing effective and efficient solutions that push the boundaries of technology. As wireless communication continues to evolve, Nakatani’s contributions will undoubtedly play a vital role in shaping the future of the industry.

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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