Hamamatsu, Japan

Yoshimaro Fujii

This inventor holds 27 USPTO granted patents and 3 published patent applications and 5 EPO patents, primarily in Semiconductor Manufacturing. Top assignee: Hamamatsu-Photonics K.k.. Active years: 2005-2022.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Yoshimaro Fujii. Retrieved from https://idiyas.com/inventor/yoshimaro-fujii

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

USPTO Granted Patents = 27 

% Patents Active = 44.4

 

Average Co-Inventor Count = 4.0

ph-index = 8

Forward Citations = 299(Granted Patents)


Location History:

  • Iwata, JP (2021)
  • Hamamatsu, JP (2005 - 2022)

Company Filing History:


Years Active: 2005-2022

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Areas of Expertise:
Substrate Dividing
Semiconductor Wafer
Edge Illuminated Photodiode
Optical Sensor
Photodiode Array
Silicon Substrate
Crystal Fused Regions
Photodetector
Dicing Method
X-ray CT System
PET System
Manufacturing Method
27 patents (USPTO):Explore Patents

Title: **Yoshimaro Fujii: Innovator in Semiconductor Technology**

Introduction

Yoshimaro Fujii is an accomplished inventor located in Hamamatsu, Japan, holding an impressive portfolio of 27 patents. His work primarily focuses on innovations in semiconductor technology, producing methods and systems that significantly enhance the efficiency and performance of various semiconductor applications.

Latest Patents

Fujii's latest contributions include a **substrate dividing method** designed to thin and divide a semiconductor substrate while preventing chipping and cracking. This method employs laser light to create a modified region within the substrate, facilitating a clean cut and subsequent grinding to achieve a precise thickness. Another notable patent is related to a **detector**, PET system, and X-ray CT system, where each semiconductor chip features an advanced arrangement of photodetector units, insulating layers, and electrodes, ensuring effective performance in numerous high-tech applications.

Career Highlights

Fujii has spent a significant portion of his career at Hamamatsu Photonics K.K., a leading company renowned for its innovative optical devices and semiconductor solutions. His role has contributed to numerous advancements in the field, making him a key figure in the development of cutting-edge technology.

Collaborations

Throughout his career, Fujii has collaborated with esteemed colleagues such as Fumitsugu Fukuyo and Kenshi Fukumitsu. These partnerships have enabled him to leverage combined expertise and facilitate the development of advanced semiconductor technologies that push the boundaries of innovation.

Conclusion

Yoshimaro Fujii's contributions to semiconductor technology are noteworthy, as his patents and innovative methods pave the way for enhanced performance in electronic applications. His work at Hamamatsu Photonics K.K. and collaborations with other experts in the field underscore his commitment to advancing technology, making him a prominent inventor in his area of expertise.

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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