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For the Inventor, By the Inventor

Kawasaki, Japan

Masaharu Minamizawa

This inventor holds 17 USPTO granted patents and 1 EPO patent, primarily in Semiconductor Devices. Top assignees: Fujitsu Corporation, Fujitsu Semiconductor Limited. Active years: 1997-2010.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Masaharu Minamizawa. Retrieved from https://idiyas.com/inventor/masaharu-minamizawa

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

Calculating rank
USPTO Granted Patents = 17

% Patents Active = 82.4

 

Average Co-Inventor Count = 4.7

ph-index = 9

Forward Citations = 312(Granted Patents)


Company Filing History:

goldMedal16 out of 39,378 
 
Fujitsu Corporation
 patents
silverMedal1 out of 1,674 
 
Fujitsu Semiconductor Limited
 patents

Years Active: 1997-2010

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Areas of Expertise:
Semiconductor Device
Manufacturing Method
Heat Spreader
Passive Element
Redistribution Board
Flip-Chip
Reliability
Pyramid Contact
Assembly Board
Through-Holes
Projection-Electrode
17 patents (USPTO):Explore Patents
1. 7754534 - Semiconductor device and manufacturing method thereof (2010-07-13),
2. 7193320 - Semiconductor device having a heat spreader exposed from a seal resin (2007-03-20),
3. 6995044 - Manufacturing method of a semiconductor device incorporating a passive element and a redistribution board (2006-02-07),
4. 6905951 - Method of forming a device substrate and semiconductor package including a pyramid contact (2005-06-14),
5. 6875638 - Manufacturing method of a semiconductor device incorporating a passive element and a redistribution board (2005-04-05),
6. 6794273 - Semiconductor device and manufacturing method thereof (2004-09-21),
7. 6781224 - Semiconductor device and package including forming pyramid mount protruding through silicon substrate (2004-08-24),
8. 6566748 - Flip-chip semiconductor device having an improved reliability (2003-05-20),
9. 6347037 - Semiconductor device and method of forming the same (2002-02-12),
10. 6184133 - Method of forming an assembly board with insulator filled through holes (2001-02-06),
11. 6088233 - Semiconductor device and assembly board having through-holes filled with (2000-07-11),
12. 5978222 - Semiconductor device and assembly board having through-holes filled with (1999-11-02),
13. 5937277 - Semiconductor device with reliable electrodes of projecting shape and (1999-08-10),
14. 5729435 - Semiconductor device and assembly board having through-holes filled with (1998-03-17),
15. 5666270 - Bump electrode, semiconductor integrated circuit device using the same, (1997-09-09),

Title: The Innovations of Masaharu Minamizawa

Introduction

Masaharu Minamizawa is a prominent inventor based in Kawasaki, Japan. He has made significant contributions to the field of semiconductor technology, holding a total of 17 patents. His work focuses on improving the manufacturing processes and efficiency of semiconductor devices.

Latest Patents

Among his latest patents is a method for manufacturing a semiconductor device using a wiring substrate. This innovative method facilitates the handling of the wiring substrate by forming a peelable resin layer on a silicon substrate. The process includes several steps, such as mounting semiconductor chips on the wiring substrate and sealing them with resin. Another notable patent involves a semiconductor device that features a heat spreader exposed from the seal resin. This design enhances the thermal management of the semiconductor element, ensuring better performance and reliability.

Career Highlights

Minamizawa has had a distinguished career, working with notable companies such as Fujitsu Corporation and Fujitsu Semiconductor Limited. His experience in these organizations has allowed him to develop and refine his expertise in semiconductor technology.

Collaborations

Throughout his career, Minamizawa has collaborated with talented individuals, including Masataka Mizukoshi and Toshio Hamano. These partnerships have contributed to the advancement of semiconductor innovations.

Conclusion

Masaharu Minamizawa's contributions to semiconductor technology through his patents and collaborations highlight his role as a key innovator in the field. His work continues to influence the development of efficient semiconductor devices.

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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