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USPTO Patent Rankings Data through Dec 31, 2025
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Toshiaki Sudo — 8 Patents in 2016

SUSumco: 7 patents #1 of 43Top 3%
JQJapan Super Quartz: 1 patents #1 of 6Top 20%
Akita, JP: #1 of 33 inventorsTop 4%
Overall (2016): #9,482 of 481,213Top 2%
8 Patents 2016

Issued Patents 2016

Showing 1–8 of 8 patents

Patent #TitleCo-InventorsDate
9527763 Method of manufacturing composite crucible Ken Kitahara, Takuma Yoshioka 2016-12-27
9469560 Method of manufacturing vitreous silica crucible, vitreous silica crucible Takuma Yoshioka, Koichi Suzuki, Shinsuke Yamazaki 2016-10-18
9416463 Vitreous silica crucible Hiroshi Kishi 2016-08-16
9347148 Vitreous silica crucible with specific ratio of transparent layer and bubble-containing layer thicknesses Ken Kitahara, Koichi Suzuki, Shinsuke Yamazaki 2016-05-24
9328009 Vitreous silica crucible for pulling silicon single crystal, and method for manufacturing the same Hiroshi Kishi, Eriko Suzuki 2016-05-03
9284207 Method of manufacturing granulated silica powder, method of manufacturing vitreous silica crucible Takuma Yoshioka, Koichi Suzuki, Shinsuke Yamazaki 2016-03-15
9266763 Composite crucible and method of manufacturing the same Ken Kitahara, Takuma Yoshioka 2016-02-23
9243343 Vitreous silica crucible Hiroshi Kishi 2016-01-26