YK

Yasuhiro Kameyama

MC Mitsubishi Chemical: 5 patents #928 of 3,022Top 35%
Mitsubishi Electric: 2 patents #11,187 of 25,717Top 45%
MK Mitsubishi Kasei: 2 patents #194 of 911Top 25%
TC Techno Semichem Co.: 1 patents #4 of 45Top 9%
Samsung: 1 patents #49,284 of 75,807Top 70%
Overall (All Time): #653,272 of 4,157,543Top 20%
8
Patents All Time

Issued Patents All Time

Showing 1–8 of 8 patents

Patent #TitleCo-InventorsDate
8092981 Negative photoresist composition and method of manufacturing array substrate using the same Hoon Kang, Jae-Sung Kim, Yang-Ho Jung, Hi-Kuk Lee, Yuuji Mizuho +2 more 2012-01-10
6815033 Compound, optical recording medium and optical recording method Takashi Miyazawa, Shuichi Maeda 2004-11-09
5529885 Negative photosensitive composition and method for forming patterns using the composition Tameichi Ochiai, Ryuichiro Takasaki, Shichiro Takahashi 1996-06-25
5286600 Negative photosensitive composition and method for forming a resist pattern by means thereof Tameichi Ochiai, Noriaki Takahashi 1994-02-15
5168030 Positive type o-quinone diazide photo-resist containing antistatic agent selected from hydrazones, ethylcarbazole and bis(dimethylamino)benzene Konoe Miura, Tameichi Ochiai, Tooru Koyama, Takashi Okabe, Tomoharu Mametani 1992-12-01
4933257 Positive quinone diazide photo-resist composition with antistatic agent Konoe Miura, Tameichi Ochiai, Tooru Koyama, Takashi Okabe, Tomoharu Mametani 1990-06-12
4859563 Positive photoresist composition Konoe Miura, Tameichi Ochiai 1989-08-22
4719167 Positive photoresist composition with 1,2 naphthoquinone diazide and novolak resin condensed from mixture of m-cresol, p-cresol, and 2,5-xylenol with formaldehyde Konoe Miura, Tameichi Ochiai 1988-01-12