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USPTO Patent Rankings Data through Dec 31, 2025
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Etsu Takeuchi — 10 Patents

SCSumitomo Bakelite Co.: 7 patents #30 of 790Top 4%
PRPromerus: 3 patents #51 of 140Top 40%
RIRiken: 2 patents #375 of 1,824Top 25%
Tokyo, JP: #15,551 of 90,295 inventorsTop 20%
Overall (All Time): #481,000 of 4,157,543Top 15%
10 Patents All Time
Etsu Takeuchi has been granted 10 US patents while listed as an inventor at Sumitomo Bakelite Co.. The first was granted in 1993 and the most recent in July 2016. Etsu Takeuchi ranks #481,000 of 4,157,543 US inventors in our database (top 11.6%). Patent records list Etsu Takeuchi in Tokyo, JP.

Issued Patents All Time

Showing 1–10 of 10 patents

Patent #TitleCo-InventorsDate
9399725 Temporary bonding adhesive for a semiconductor wafer and method for manufacturing a semiconductor device using the same Junya Kusunoki, Hiromichi Sugiyama, Toshiharu Kuboyama, Masakazu Kawata 2016-07-26
8053515 Directly photodefinable polymer compositions and methods thereof Edmund Elce, Andrew Bell, Brian Knapp, Hendra Ng, Larry F. Rhodes +8 more 2011-11-08
7858721 Photosensitive dielectric resin compositions, films formed therefrom and semiconductor and display devices encompassing such films Dino Amoroso, Brian Bedwell, Andrew Bell, Edmund Elce, Rajesh Raja Puthenkovilakom +7 more 2010-12-28
7524594 Photosensitive dielectric resin compositions, films formed therefrom and semiconductor and display devices encompassing such films Dino Amoroso, Brian Bedwell, Andrew Bell, Edmund Elce, Rajesh Raja Puthenkovilakom +7 more 2009-04-28
6709804 Printed wiring board and semiconductor device and processes to prepare the same Yusuke Tajima, Kazuo Takeuchi, Yasuo Shigemitsu 2004-03-23
6528231 PHOTOSENSITIVE RESIN COMPOSITION, PRINTED WIRING BOARD, SUBSTRATE FOR DISPOSING SEMICONDUCTOR CHIPS, SEMICONDUCTOR DEVICE AND PROCESSES FOR PRODUCING A PRINTED WIRING BOARD, A SUBSTRATE FOR DISPOSING SEMICONDUCTOR CHIPS AND A SEMICONDUCTOR DEVICE Yusuke Tajima, Kazuo Takeuchi, Yasuo Shigemitsu 2003-03-04
5507903 Process for producing two-layered tape for tab Yoshiyuki Yamamori, Shinichi Mikami, Toshio Nakao, Takuya Tochimoto 1996-04-16
5449584 Positive photo-sensitive resin composition comprising a photosensitive polybenzoxazole or a mixture of a polybenzoxazole, an organic solvent soluble polymer and a diazoquinone and/or a dihydropyridine compound Toshio Banba, Toshiro Takeda, Naoshige Takeda, Akira Tokoh 1995-09-12
5385808 Photosensitive resin composition and semiconductor apparatus using it Akira Tokoh, Nobuyuki Sashida, Takashi Hirano 1995-01-31
5238784 Photosensitive resin composition with polyamic acid polymer Akira Tokoh, Nobuyuki Sashida, Takashi Hirano 1993-08-24