YK

Yoshio Kosaka

AG Agc: 2 patents #337 of 954Top 40%
EB Ebara: 2 patents #752 of 1,611Top 50%
Tdk: 2 patents #1,902 of 3,796Top 55%
UI Ube Industries: 2 patents #593 of 1,686Top 40%
Overall (All Time): #783,020 of 4,157,543Top 20%
6
Patents All Time

Issued Patents All Time

Showing 1–6 of 6 patents

Patent #TitleCo-InventorsDate
12325211 Glass plate with resin frame and method for producing glass plate with resin frame Kazuhiro Takahashi 2025-06-10
11780300 Fixed window glass with division bar Naonori HATTA, Ryoichi Urata, Kazuhiro Takahashi 2023-10-10
6283048 Swirling-type melting furnace and method for gasifying wastes by the swirling-type melting furnace Shosaku Fujinami, Shuichi Nagato, Takahiro Oshita, Shinichirou Chiba, Osamu Kameda +1 more 2001-09-04
6161490 Swirling-type melting furnace and method for gasifying wastes by the swirling-type melting furnace Shosaku Fujinami, Shuichi Nagato, Takahiro Oshita, Shinichirou Chiba, Osamu Kameda +1 more 2000-12-19
4711861 Sintered aluminum nitride body and method for making Kentaro Sawamura, Masayasu Yamaguchi 1987-12-08
4672046 Sintered aluminum nitride body Kentaro Sawamura, Masayasu Yamaguchi 1987-06-09