Takarazuka, Japan

Daisuke Kosaka

This inventor holds 17 USPTO granted patents, primarily in Semiconductor Technology. Top assignees: Ricoh Company, Ltd., Megachips Corporation, Crystal Device Corporation. Active years: 1989-2004.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Daisuke Kosaka. Retrieved from https://idiyas.com/inventor/daisuke-kosaka

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

Calculating rank

% Patents Active = 100.0

Average Co-Inventor Count = 3.5

ph-index = 11

Forward Citations = 667(Granted Patents)


Location History:

  • Takarazuka, JP (1989 - 2001)
  • Suita, JP (2004)

Company Filing History:


Years Active: 1989-2004

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Areas of Expertise:
Semiconductor Device
Thin-Film Transistor
Photovoltaic Device
Gas Beam Crystallization
Single Crystal Gate
Micromachine Manufacture
Integrated Circuit
Thermal Head
Electrical Contact
Recrystallization
Force Sensing Apparatus
Island Forming Grooves
17 patents (USPTO):Explore Patents

Title: Daisuke Kosaka: Innovator in Semiconductor Technology

Introduction

Daisuke Kosaka is a prominent inventor based in Takarazuka, Japan. He has made significant contributions to the field of semiconductor technology, holding a total of 17 patents. His innovative work focuses on the fabrication of micromachines and semiconductor devices.

Latest Patents

Among his latest patents is a semiconductor device and method of fabricating the same. This invention aims to simplify the manufacturing process of micromachines made from single-crystalline materials. By irradiating the uppermost layer of a single-crystalline silicon substrate with Ne atom currents from multiple directions, the crystal orientation can be altered to achieve a desired configuration. This method allows for the creation of V-shaped grooves while using the uppermost layer as an etching stopper, facilitating the production of micromachines with uniform thickness. Another notable patent involves a semiconductor device featuring a single crystal gate electrode and insulation, which employs similar techniques for efficient manufacturing.

Career Highlights

Daisuke Kosaka has worked with notable companies such as Ricoh Company, Ltd. and Megachips Corporation. His experience in these organizations has contributed to his expertise in semiconductor technology and innovation.

Collaborations

Throughout his career, Daisuke has collaborated with esteemed colleagues, including Toshifumi Asakawa and Tetsuo Hikawa. These partnerships have further enriched his work and advancements in the field.

Conclusion

Daisuke Kosaka's contributions to semiconductor technology and micromachine fabrication highlight his role as a leading inventor. His innovative patents and collaborations reflect his commitment to advancing 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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