Category:Kei YOSHIDA

Kei YOSHIDA

Executive Summary

Kei YOSHIDA is an inventor who has filed 4 patents. Their primary areas of innovation include MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE (4 patents), ORGANIC ELECTRIC SOLID-STATE DEVICES (3 patents), ORGANIC ELECTRIC SOLID-STATE DEVICES (3 patents), and they have worked with companies such as IDEMITSU KOSAN CO.,LTD. (4 patents). Their most frequent collaborators include (3 collaborations), (3 collaborations), (3 collaborations).

Patent Filing Activity

Technology Areas

List of Technology Areas

• C09K11/06 (MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE): 4 patents
• H10K85/615 (ORGANIC ELECTRIC SOLID-STATE DEVICES): 3 patents
• H10K85/654 (ORGANIC ELECTRIC SOLID-STATE DEVICES): 3 patents
• H10K85/6574 (ORGANIC ELECTRIC SOLID-STATE DEVICES): 3 patents
• H10K85/622 (ORGANIC ELECTRIC SOLID-STATE DEVICES): 2 patents
• H10K85/6576 (ORGANIC ELECTRIC SOLID-STATE DEVICES): 2 patents
• H10K50/16 (ORGANIC ELECTRIC SOLID-STATE DEVICES): 2 patents
• C07D405/10 (HETEROCYCLIC COMPOUNDS (macromolecular compounds): 2 patents
• H10K85/626 (ORGANIC ELECTRIC SOLID-STATE DEVICES): 2 patents
• C07D401/10 (HETEROCYCLIC COMPOUNDS (macromolecular compounds): 1 patents
• C07D401/14 (HETEROCYCLIC COMPOUNDS (macromolecular compounds): 1 patents
• C07D409/14 (HETEROCYCLIC COMPOUNDS (macromolecular compounds): 1 patents
• H10K85/6572 (ORGANIC ELECTRIC SOLID-STATE DEVICES): 1 patents
• C07D409/10 (HETEROCYCLIC COMPOUNDS (macromolecular compounds): 1 patents
• H10K50/166 (ORGANIC ELECTRIC SOLID-STATE DEVICES): 1 patents
• C07D307/77 (HETEROCYCLIC COMPOUNDS (macromolecular compounds): 1 patents
• H10K50/13 (ORGANIC ELECTRIC SOLID-STATE DEVICES): 1 patents

Companies

List of Companies

• IDEMITSU KOSAN CO.,LTD.: 4 patents

Collaborators

• Masatoshi SAITO (3 collaborations)
• Masato MITANI (3 collaborations)
• Sayaka MIZUTANI (3 collaborations)
• Masato NAKAMURA (2 collaborations)
• Yoshinori AOYAMA (2 collaborations)
• Hiroaki TOYOSHIMA (1 collaborations)
• Shintaro BAN (1 collaborations)
• Yu KUDO (1 collaborations)
• Sigma HASHIMOTO (1 collaborations)
• Yoshinao SHIRASAKI (1 collaborations)