Wako, Japan

Katsumi Midorikawa

This inventor holds 10 USPTO granted patents and 1 EPO patent. Top assignees: Riken Corporation, Ricoh Company, Ltd., Hamamatsu-Photonics K.k.. Active years: 2002-2022.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Katsumi Midorikawa. Retrieved from https://idiyas.com/inventor/katsumi-midorikawa

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


% Patents Active = 30.0


Average Co-Inventor Count = 2.9

ph-index = 5

Forward Citations = 39(Granted Patents)


Location History:

  • Saitama, JP (2004 - 2005)
  • Wako, JP (2002 - 2022)

Company Filing History:


Years Active: 2002-2022

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10 patents (USPTO):Explore Patents

Title: Innovations of Katsumi Midorikawa

Introduction

Katsumi Midorikawa is a prominent inventor based in Wako, Japan, known for his significant contributions to the field of laser technology and materials processing. With a total of 10 patents to his name, he has made remarkable advancements that have implications in various industries.

Latest Patents

One of his latest patents is a device and method for even-odd separation and ionization of palladium isotopes. This invention utilizes first and second laser beams with respective wavelengths to excite palladium isotopes, allowing for selective excitation of isotopes with odd mass numbers. The process retains the identity of the ion core state between excitation levels, showcasing a sophisticated approach to isotope manipulation. Another notable patent involves a method and apparatus for processing three-dimensional structures. This invention focuses on creating fine three-dimensional shapes with smooth surfaces, particularly for optical devices. The method includes a unique layering technique and precise laser irradiation to achieve desired results.

Career Highlights

Throughout his career, Katsumi Midorikawa has worked with esteemed companies such as Riken Corporation and Ricoh Company, Ltd. His experience in these organizations has contributed to his innovative mindset and technical expertise.

Collaborations

He has collaborated with notable colleagues, including Hiroshi Kumagai and Yasufumi Yamada, further enhancing his work through shared knowledge and skills.

Conclusion

Katsumi Midorikawa's contributions to innovation in laser technology and materials processing highlight his role as a leading inventor in his field. His patents reflect a deep understanding of complex scientific principles and a commitment to advancing 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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