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For the Inventor, By the Inventor

Chiba, Japan

Katsuhiko Funaki

This inventor holds 15 USPTO granted patents and 1 EPO patent. Top assignees: Mitsui Chemicals, Inc., Mitsui Chemicals Tohcello, Inc.. Active years: 2000-2017.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Katsuhiko Funaki. Retrieved from https://idiyas.com/inventor/katsuhiko-funaki

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

USPTO Granted Patents = 15

% Patents Active = 73.3


Average Co-Inventor Count = 6.6

ph-index = 3

Forward Citations = 30(Granted Patents)


Location History:

  • Kanagawa, JP (2000 - 2001)
  • Sodegaura, JP (2004 - 2010)
  • Sunnyvale, CA (US) (2013)
  • Chiba, JP (2001 - 2017)

Company Filing History:

goldMedal14 out of 1,816 
 
Mitsui Chemicals, Inc.
 patents
silverMedal1 out of 60 
 
Mitsui Chemicals Tohcello, Inc.
 patents

Years Active: 2000-2017

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15 patents (USPTO):Explore Patents
1. 9757888 - Method for manufacturing encapsulating material sheet for solar battery (2017-09-12),
2. 8409784 - Photosensitive resin composition, dry film, and processed product made using the same (2013-04-02),
3. 8362103 - Resin composition, dry film, and processed product made using the same (2013-01-29),
4. 8361605 - Photosensitive resin composition, dry film, and processed product made using the same (2013-01-29),
5. 7851124 - Composition for forming wiring protective film and uses thereof (2010-12-14),
6. 6762259 - Process for the production of living (co)polymers and use of the (co)polymers (2004-07-13),
7. 6528599 - Method for preparing living polymer in the presence of phosphazenium salt (2003-03-04),
8. 6469224 - Process for preparation of substituted aromatic compound (2002-10-22),
9. 6444847 - Process for preparing phosphine oxides and process for purifying the same (2002-09-03),
10. 6303815 - Process for preparing phosphine oxides and process for purifying the same (2001-10-16),
11. 6255537 - Process for preparing poly(alkylene oxide) (2001-07-03),
12. 6177593 - [Tris(dimethylamino)phosphonioamino]tris[tris(dimethylamino)phosphoranylideneamino]phosphonium dichloride and preparation process thereof (2001-01-23),
13. 6153794 - Phosphine sulfide, a manufacturing process therefor and use thereof (2000-11-28),
14. 6130346 - Process for preparing an organic compound from an oxirane-containing (2000-10-10),
15. 6090980 - Preparation process of iminotris ( Dimethylamino) phosphorane (2000-07-18),

Title: Innovations of Katsuhiko Funaki

Introduction

Katsuhiko Funaki is a notable inventor based in Chiba, Japan. He has made significant contributions to the field of materials science, particularly in the development of advanced resin compositions and manufacturing methods. With a total of 15 patents to his name, Funaki's work has had a considerable impact on various industries, including solar energy and electronics.

Latest Patents

One of Funaki's latest patents is a method for manufacturing an encapsulating material sheet for solar batteries. This innovative method involves producing an additive-containing pellet by soaking an additive into a pellet made from a polyolefin-based resin. The process includes injecting this pellet into a cylinder from a supply opening in an extrusion molder, melting and kneading the resin composition, and finally molding it into a sheet shape through extrusion.

Another significant patent is for a photosensitive resin composition, which is environmentally friendly as it does not contain halogenated compounds or antimony compounds. This composition exhibits excellent flame retardancy after curing and meets stringent requirements for bending resistance and insulation reliability. It comprises a (meth)acrylate compound, a polyimide precursor, and a photopolymerization initiator, showcasing Funaki's commitment to sustainable innovation.

Career Highlights

Throughout his career, Katsuhiko Funaki has worked with prominent companies such as Mitsui Chemicals, Inc. and Mitsui Chemicals Tohcello, Inc. His experience in these organizations has allowed him to refine his expertise in materials development and patent innovation.

Collaborations

Funaki has collaborated with notable colleagues, including Takaomi Hayashi and Atsushi Shibahara. These partnerships have contributed to the advancement of his research and the successful development of his patented technologies.

Conclusion

Katsuhiko Funaki's contributions to the field of materials science through his innovative patents and collaborations highlight his role as a leading inventor. His work continues to influence advancements in technology and sustainability.

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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