Kawasaki, Japan

Masayuki Kitajima

This inventor holds 31 USPTO granted patents and 16 published patent applications and 2 EPO patents, primarily in Semiconductor Devices. Top assignees: Fujitsu Corporation, Taiyo Yuden Co., Ltd.. Active years: 2000-2021.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Masayuki Kitajima. Retrieved from https://idiyas.com/inventor/masayuki-kitajima

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

USPTO Granted Patents = 31 

% Patents Active = 51.6

 

Average Co-Inventor Count = 3.8

ph-index = 6

Forward Citations = 128(Granted Patents)


Location History:

  • Kawasaki, JP (2000 - 2013)
  • Yokohama, JP (2010 - 2021)
  • Tokyo, JP (2021)

Company Filing History:


Years Active: 2000-2021

Loading Chart...
Loading Chart...
Areas of Expertise:
Filter
Multiplexer
Power-Demand-Value
Semiconductor Device
Micro-Actuator
Solder Alloy
Acoustic Wave Device
Bonding Method
Lead-Free Solder
Conductive Paste
Reinforcement Position
Electronic Device
31 patents (USPTO):Explore Patents

Title: Innovations by Masayuki Kitajima: A Pioneer in Acoustic Wave Technologies

Introduction

Masayuki Kitajima, based in Kawasaki, Japan, is an accomplished inventor with a remarkable portfolio of 31 patents. His innovative contributions primarily focus on acoustic wave technologies, which have significant implications in telecommunications and power management systems. This article explores his latest patents, career highlights, and collaborations that have shaped his impactful work.

Latest Patents

Among Masayuki Kitajima's latest innovations is a sophisticated **filter and multiplexer** featuring a piezoelectric substrate. This invention includes a first acoustic wave resonator with a pair of first reflectors and comb-shaped electrodes, along with a second resonator connected in series or parallel. The unique design, characterized by different duty ratios and matching pitches of electrode fingers, enhances the filtering capabilities of the device.

Another noteworthy patent is the **power-demand-value calculating system**, method, and recording medium. This system integrates a storage device and an arithmetic device to analyze temperature and power result values. It calculates maximum power demand based on regression formulas, enabling more efficient energy management, which is particularly crucial for enhancing operational effectiveness in various industries.

Career Highlights

Masayuki Kitajima has made substantial contributions while working at renowned companies such as Fujitsu Corporation and Taiyo Yuden Co., Ltd. His tenure at these organizations allowed him to develop and refine his innovative ideas, leading to numerous patents that have significantly influenced the tech landscape, particularly in Japanese telecommunications.

Collaborations

Throughout his career, Kitajima has collaborated with esteemed colleagues such as Masakazu Takesue and Toru Okada. These partnerships have been instrumental in advancing his research and patent developments, facilitating a dynamic exchange of ideas that has reinforced the innovative processes within their teams.

Conclusion

Masayuki Kitajima stands out as a remarkable inventor whose work in acoustic wave technologies continues to drive innovation. With a portfolio of 31 patents reflecting his dedication and expertise, his contributions to both Fujitsu Corporation and Taiyo Yuden Co., Ltd. have left an indelible mark in the field. As he continues to explore new frontiers in technology, his inventions are likely to inspire future advancements and collaborations within 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]
Loading…