HT

Hisatsugu Tokunaga

DK Denki Kagaku Kogyo: 6 patents #35 of 655Top 6%
DL Denka Company Limited: 4 patents #68 of 434Top 20%
Overall (All Time): #510,984 of 4,157,543Top 15%
10
Patents All Time

Issued Patents All Time

Showing 1–10 of 10 patents

Patent #TitleCo-InventorsDate
9662866 Cover tape Akira Sasaki, Tetsuo Fujimura 2017-05-30
9453146 Cover tape Kazuya Sugimoto, Tadaaki Hirooka 2016-09-27
9338906 Cover film Akira Sasaki, Tetsuo Fujimura 2016-05-10
9327880 Cover film Akira Sasaki, Tetsuo Fujimura 2016-05-03
8828535 Cover tape Yusuke Tanazawa 2014-09-09
8453421 Method of packaging record rolls of cover tape and package Yusuke Tanazawa 2013-06-04
8453958 Method of winding tape-like multi-layer film and wound article of tape-like multi-layer film Satoshi Mizushima 2013-06-04
8289810 Winding state evaluation method for tape film and winding method for tape film Masanori Higano 2012-10-16
7544268 Static electricity preventing method and member using the method Atsushi Takei, Mikio Shimizu, Takeshi Nabeta 2009-06-09
7084516 Surface protection film Atsushi Takei, Mikio Shimizu 2006-08-01