KF

Koh Fujimura

Ricoh Company: 30 patents #620 of 9,818Top 7%
Casio Computer Co.: 8 patents #310 of 1,970Top 20%
Overall (All Time): #86,017 of 4,157,543Top 3%
38
Patents All Time

Issued Patents All Time

Showing 1–25 of 38 patents

Patent #TitleCo-InventorsDate
11474408 Electronic device, method for producing electronic device, and photochromatic lens unit Yasuhiro Takahashi, Keiichiroh Yutani, Tohru Yashiro, Tomoo Fukuda, Kohji Takeuchi +2 more 2022-10-18
11237447 Electrochromic element Keiichiroh Yutani, Tomoo Fukuda, Hiroyuki Takahashi, Tohru Yashiro, Takaaki Konno +1 more 2022-02-01
11209713 Electrochromic element and electrochromic dimming element Satoshi Yamamoto, Kazukiyo Nagai, Tamotsu Horiuchi, Keiichiroh Yutani, Sukchan Kim +10 more 2021-12-28
11053267 Electrochromic compound, electrochromic composition, and display element Toshiya Sagisaka, Hiroyuki Takahashi, Takashi Okada, Shigenobu Hirano, Tohru Yashiro +7 more 2021-07-06
10626133 Electrochromic compound, electrochromic composition, and display element Toshiya Sagisaka, Hiroyuki Takahashi, Takashi Okada, Shigenobu Hirano, Tohru Yashiro +7 more 2020-04-21
10527905 Electrochromic element, display device and driving method thereof Fuminari Kaneko, Hidekazu Yaginuma, Keiichiroh Yutani, Takahiko Matsumoto, Mamiko Inoue +1 more 2020-01-07
10093693 Electrochromic compound, electrochromic composition, and display element Toshiya Sagisaka, Hiroyuki Takahashi, Takashi Okada, Shigenobu Hirano, Tohru Yashiro +7 more 2018-10-09
9932522 Electrochromic compound, electrochromic composition, display element, and dimming element Daisuke Goto, Toshiya Sagisaka, Shigenobu Hirano, Satoshi Yamamoto, Mamiko Inoue +9 more 2018-04-03
9869918 Electrochromic apparatus, electrochromic element, and method of manufacturing electrochromic element Takahiko Matsumoto, Keiichiroh Yutani, Hidekazu Yaginuma, Fuminari Kaneko, Mamiko Inoue +3 more 2018-01-16
9829762 Electrochromic display element, display device, information system, and electrochromic dimming lens Hiroyuki Takahashi, Tamotsu Horiuchi, Tohru Yashiro, Keiichiroh Yutani, Yoshinori Okada +8 more 2017-11-28
9688706 Electrochromic compound, electrochromic composition, display element, and dimming element Mamiko Inoue, Masaomi Sasaki, Tohru Yashiro, Keiichiroh Yutani, Yoshinori Okada +9 more 2017-06-27
9632385 Electrochromic display device with intermediate display electrode containing electrically conductive fine particle and a method for manufacturing such device Yoshinori Okada, Tohru Yashiro, Yoshihisa Naijo, Sukchan Kim, Shigenobu Hirano +5 more 2017-04-25
9500926 Electrochromic display element and image display device Tohru Yashiro, Shigenobu Hirano, Hiroyuki Takahashi, Yoshinori Okada, Yoshihisa Naijo +3 more 2016-11-22
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, Kazuaki Tsuji +4 more 2015-06-30
9041997 Electro-chromic display element, display apparatus, and driving method Hiroyuki Takahashi, Tohru Yashiro, Akishige Murakami, Shigenobu Hirano, Yoshihisa Naijo +3 more 2015-05-26
8937758 Electrochromic display device Sukchan Kim, Tohru Yashiro, Hiroyuki Takahashi, Shigenobu Hirano, Yoshihisa Naijo +2 more 2015-01-20
8902151 Controllable electrochromic display device Tohru Yashiro, Shigenobu Hirano, Yoshihisa Naijo, Akishige Murakami, Hiroyuki Takahashi +1 more 2014-12-02
8736941 Electrochromic display apparatus and method of manufacturing the same Yoshihisa Naijo, Tohru Yashiro, Shigenobu Hirano, Masahiro Yanagisawa, Masahiro Masuzawa +3 more 2014-05-27
8687262 Ion conductor and electrochromic display device Tohru Yashiro, Shigenobu Hirano, Yoshihisa Naijo, Yoshinori Okada, Hiroyuki Takahashi +1 more 2014-04-01
8531754 Electrochromic display element Shigenobu Hirano, Tohru Yashiro, Yoshihisa Naijo 2013-09-10
8384983 Electrochromic display device, fabrication method therefor, and driving method therefor Tohru Yashiro, Shigenobu Hirano, Yoshihisa Naijo, Masahiro Yanagisawa, Masahiro Masuzawa +1 more 2013-02-26
8158020 Liquid crystal element, optical path deflecting element, and image displaying apparatus Yohei Takano, Hiroyuki Sugimoto, Toshiaki Tokita, Yasuyuki Takiguchi, Yumi Matsuki +2 more 2012-04-17
7929071 Electric field generating device comprising an electric field generating resistor and line electrodes, light deflecting device having the same, and image display apparatus having the same Yukiko Hirano, Toshiaki Tokita, Yumi Matsuki, Toshimichi Hagiya, Takanobu Osaka +2 more 2011-04-19