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USPTO Data Jan 1 1976 - Oct 20 2026
119 Patents
#501 in Tokyo
#1,023 in Japan
#6,702 in the World
Shoei Chemical Inc.
Forward Citations = 290
137 inventors:
Shoei Chemical Inc.
% Expired Patents = 5.0
CIPO Patents = 9
EPO Patents = 49
Trademarks = 8
Forward Citations = 290
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137 inventors (with patents filed for the assignee):
Yuji Akimoto (24 out of 28 patents)
Kazuro Nagashima (19 out of 20 patents)
Hirokazu Sasaki (16 out of 32 patents)
4. Eiichi Asada (14 out of 15 patents)
5. Takafumi Moriyama (12 out of 12 patents)
6. Makoto Kido (10 out of 10 patents)
7. Naoto Shindo (10 out of 11 patents)
8. Ruiqing Ma (9 out of 119 patents)
9. Hiroshi Mashima (9 out of 15 patents)
10. Masayuki Maekawa (8 out of 8 patents)
11. Hidenori Ieda (8 out of 8 patents)
12. Christian Justus Ippen (7 out of 28 patents)
13. Tadashi Kanasaku (7 out of 7 patents)
14. Wenzhou Guo (6 out of 14 patents)
15. Chunming Wang (6 out of 16 patents)
Core Competencies:
Quantum Dots
Conductive Resin
Semiconductor Nanoparticles
Flexible Devices
Electroluminescent Devices
Silver Paste
ROHS Compliant Films
Lithium Ion Batteries
Nanostructures
Dielectric Ceramics
Synthesis Techniques
Display Devices
119 patents:
Company Overview
Shoei Chemical Inc., headquartered in Tokyo, Japan, specializes in the development and manufacturing of advanced quantum dot materials. The company focuses on innovative technologies such as conductive resins, semiconductor nanoparticles, and flexible devices, catering to a variety of applications including electroluminescent devices and lithium-ion batteries. With a commitment to quality and compliance, Shoei Chemical also produces ROHS compliant films and silver paste, positioning itself as a key player in the evolving landscape of nanotechnology and electronic materials.
Profile summary synthesized from public USPTO records and patent filings.
IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Shoei Chemical Inc.. Retrieved from https://idiyas.com/company/shoei-chemical
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
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]
9 patents (CIPO):
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]
49 patents (EPO):
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]