KK

Katsumasa Kawabata

RH Rohm And Haas Electronic Materials Cmp Holdings: 6 patents #46 of 239Top 20%
PA Panasonic: 3 patents #7,617 of 21,108Top 40%
NH Nitta Haas: 1 patents #22 of 56Top 40%
Sumitomo Electric Industries: 1 patents #13,249 of 21,551Top 65%
Overall (All Time): #483,213 of 4,157,543Top 15%
10
Patents All Time

Issued Patents All Time

Showing 1–10 of 10 patents

Patent #TitleCo-InventorsDate
12330261 Offset pore poromeric polishing pad Wei-Wen Tsai, Hui Bin Huang, Akane Uehara, Yosuke Takei 2025-06-17
11667061 Method of forming leveraged poromeric polishing pad Wei-Wen Tsai, Hui Bin Huang, Akane Uehara, Yosuke Takei 2023-06-06
10259099 Tapering method for poromeric polishing pad Koichi Yoshida, Kazutaka Miyamoto, Henry Sanford-Crane, Hui Bin Huang, George C. Jacob +1 more 2019-04-16
10215345 Battery holder and portable lighting apparatus using same Miho Shirakawa 2019-02-26
10106662 Thermoplastic poromeric polishing pad Shuiyuan Luo, George C. Jacob, Henry Sanford-Crane, Koichi Yoshida, Shusuke Kitawaki +2 more 2018-10-23
D827891 Flashlight Yuji Wada, Hiroshi Fujita 2018-09-04
9925637 Tapered poromeric polishing pad Koichi Yoshida, Kazutaka Miyamoto, Henry Sanford-Crane, Hui Bin Huang, George C. Jacob +1 more 2018-03-27
9520582 Battery holder and mobile illumination device using same Miho Shirakawa 2016-12-13
8980749 Method for chemical mechanical polishing silicon wafers Yasuyuki Itai, Bainian Qian, Hiroyuki Nakano, David B. James, Naoko Kawai +5 more 2015-03-17
D554733 Light for illuminating fluorinated fishing line Akihiko Kotani 2007-11-06