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For the Inventor, By the Inventor

Kawasaki, Japan

Masao Makiuchi

This inventor holds 10 USPTO granted patents. Top assignees: Fujitsu Corporation, Other. Active years: 1987-2004.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Masao Makiuchi. Retrieved from https://idiyas.com/inventor/masao-makiuchi

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 = 100.0

Average Co-Inventor Count = 1.5

ph-index = 9

Forward Citations = 159(Granted Patents)


Location History:

  • Atsugi, JP (1987)
  • Yamato, JP (1992 - 1993)
  • Kanagawa, JP (1993)
  • Kawasaki, JP (1994 - 2004)

Company Filing History:

goldMedal9 out of 39,378 
 
Fujitsu Corporation
 patents
silverMedal1 out of 834,570 
Other
 patents

Years Active: 1987-2004

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10 patents (USPTO):Explore Patents
1. 6710378 - Semiconductor light reception device of end face light incidence type (2004-03-23),
2. 5932114 - Integrated optical module including a waveguide and a photoreception (1999-08-03),
3. 5701374 - Integrated optical module including a waveguide and a photoreception (1997-12-23),
4. 5668386 - Planar photodetection device suitable for flip-chip process and a (1997-09-16),
5. 5436997 - Optical fiber-optical device coupling package and optical fiber-optical (1995-07-25),
6. 5309468 - Laser diode for producing an output optical beam in a direction (1994-05-03),
7. 5252852 - Semiconductor device having flip chip bonding pads matched with pin (1993-10-12),
8. 5185272 - Method of producing semiconductor device having light receiving element (1993-02-09),
9. 5107318 - Semiconductor device having light receiving diode element with (1992-04-21),
10. 4716125 - Method of producing semiconductor laser (1987-12-29),

Title: Innovations by Inventor Masao Makiuchi

Introduction

Masao Makiuchi is a notable inventor based in Kawasaki, Japan, renowned for his contributions to the field of semiconductor technology. With a total of 10 patents to his name, Makiuchi has significantly advanced the design and functionality of light reception devices, enhancing optical systems utilized in various applications.

Latest Patents

Among his latest patents, Makiuchi has developed a semiconductor light reception device of end face light incidence type. This innovative device features a photo sensor that generates carriers upon receiving light, which is made possible by a light reception layer composed of semiconductor material. This setup allows for high-speed operation while being easy to manufacture. Additionally, he has patented an integrated optical module that includes a waveguide and photoreception device. This module effectively converts the optical path of light from a waveguide to the photodetection area, showcasing his prowess in optical engineering.

Career Highlights

Throughout his career, Masao Makiuchi has worked for renowned companies, including Fujitsu Corporation. His expertise in semiconductor technology has been instrumental in the development of cutting-edge optical devices, positioning him as a significant figure in the industry.

Collaborations

Makiuchi has collaborated with esteemed colleagues such as Hisashi Hamaguchi and Gohji Nakagawa. These partnerships have facilitated the advancement of innovative technologies and have broadened the impact of his work within the field.

Conclusion

Masao Makiuchi's innovative spirit and dedication to the field of semiconductor technology are evident in his extensive patent portfolio. His contributions have not only pushed the boundaries of optical devices but also set the stage for future advancements in this critical area of technology.

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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