KT

Kazuaki Tsuji

Ricoh Company: 18 patents #1,197 of 9,818Top 15%
VA Valqua: 11 patents #3 of 42Top 8%
NI Nippon Valqua Industries: 5 patents #5 of 83Top 7%
NL Nec Lighting: 1 patents #10 of 28Top 40%
TO Toshiba: 1 patents #1,121 of 2,688Top 45%
TU Tottori University: 1 patents #6 of 32Top 20%
📍 Tokyo, CA: #217 of 583 inventorsTop 40%
Overall (All Time): #92,301 of 4,157,543Top 3%
36
Patents All Time

Issued Patents All Time

Showing 26–36 of 36 patents

Patent #TitleCo-InventorsDate
9389480 Method for manufacturing an electrochromic display device and an electrochromic display device having through-hole in display electrode Yoshihisa Naijo, Tohru Yashiro, Shigenobu Hirano, Yoshinori Okada, Sukchan Kim +2 more 2016-07-12
9304368 Electrochromic device and production method thereof Tohru Yashiro, Shigenobu Hirano, Toshiya Sagisaka, Mamiko Inoue, Hiroyuki Takahashi +6 more 2016-04-05
9069222 Electrochromic display element and display device Yoshihisa Naijo, Tohru Yashiro, Yoshinori Okada, Shigenobu Hirano, Koh Fujimura +4 more 2015-06-30
9041997 Electro-chromic display element, display apparatus, and driving method Hiroyuki Takahashi, Tohru Yashiro, Koh Fujimura, Akishige Murakami, Shigenobu Hirano +3 more 2015-05-26
8937758 Electrochromic display device Sukchan Kim, Tohru Yashiro, Koh Fujimura, Hiroyuki Takahashi, Shigenobu Hirano +2 more 2015-01-20
8888106 Seal plate, seal member that is used in seal plate, and method for manufacturing the same Masato Hamade, Tsutomu Yoshida, Nobuhiro Yoshida 2014-11-18
8181972 Sealing material for dovetail groove and vacuum gate valve provided with sealing material for dovetail groove 2012-05-22
8074967 Gate valve for vacuum and seal member used therefor 2011-12-13
8017037 Fluorescent substance and light emitting device using the same Maki Minamoto, Koutoku Ohmi 2011-09-13
7306237 Sealing material for ant groove Tsutomu Yoshida 2007-12-11
4649409 Photoelectric transducer element Makoto Roppongi 1987-03-10