Category:Tatsuya Yamahira

Tatsuya Yamahira

Executive Summary

Tatsuya Yamahira is an inventor who has filed 5 patents. Their primary areas of innovation include {with organic non-macromolecular light-sensitive compounds not otherwise provided for, e.g. dissolution inhibitors} (4 patents), Photosensitive materials ( (3 patents), Macromolecular compounds which are rendered insoluble or differentially wettable ( (3 patents), and they have worked with companies such as Shin-Etsu Chemical Co., Ltd. (5 patents). Their most frequent collaborators include (4 collaborations), (4 collaborations), (2 collaborations).

Patent Filing Activity

Technology Areas

List of Technology Areas

• G03F7/0045 ({with organic non-macromolecular light-sensitive compounds not otherwise provided for, e.g. dissolution inhibitors}): 4 patents
• G03F7/0048 (Photosensitive materials (): 3 patents
• G03F7/0382 (Macromolecular compounds which are rendered insoluble or differentially wettable (): 3 patents
• G03F7/0397 (Macromolecular compounds which are photodegradable, e.g. positive electron resists (): 3 patents
• G03F7/2004 (Exposure; Apparatus therefor (photographic printing apparatus for making copies): 3 patents
• G03F7/0388 (Macromolecular compounds which are rendered insoluble or differentially wettable (): 2 patents
• C08F212/24 (MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS): 2 patents
• C08F220/1806 (MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS): 2 patents
• C08F220/22 (MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS): 2 patents
• G03F7/0392 (Macromolecular compounds which are photodegradable, e.g. positive electron resists (): 2 patents
• G03F7/029 (Inorganic compounds; Onium compounds; Organic compounds having hetero atoms other than oxygen, nitrogen or sulfur): 1 patents
• C07C69/74 (ACYCLIC OR CARBOCYCLIC COMPOUNDS): 1 patents
• C07C69/78 (ACYCLIC OR CARBOCYCLIC COMPOUNDS): 1 patents
• C07C69/96 (ACYCLIC OR CARBOCYCLIC COMPOUNDS): 1 patents
• C07D333/76 (HETEROCYCLIC COMPOUNDS (macromolecular compounds): 1 patents
• C08F220/1807 (MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS): 1 patents
• C07C2601/12 (ACYCLIC OR CARBOCYCLIC COMPOUNDS): 1 patents
• C07C2603/74 (ACYCLIC OR CARBOCYCLIC COMPOUNDS): 1 patents

Companies

List of Companies

• Shin-Etsu Chemical Co., Ltd.: 5 patents

Collaborators

• Jun Hatakeyama (4 collaborations)
• Yuki Suda (4 collaborations)
• Masaki Ohashi (2 collaborations)
• Kazuhiro Katayama (1 collaborations)
• Yutaro Otomo (1 collaborations)
• Kousuke Ohyama (1 collaborations)
• Takayuki Fujiwara (1 collaborations)