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Yoshihisa Naijo

Ricoh Company: 30 patents #620 of 9,818Top 7%
Overall (All Time): #123,332 of 4,157,543Top 3%
30
Patents All Time

Issued Patents All Time

Showing 1–25 of 30 patents

Patent #TitleCo-InventorsDate
12102470 Radiation source position estimation system, calibration system and biomagnetic measuring system Masahiro Takada, Akira Kinoshita 2024-10-01
11495856 Glasses-type device and charger for glasses-type device Atsushi Ohshima, Tohru Yashiro, Sukchan Kim, Kohji Takeuchi 2022-11-08
11375934 Biomagnetic measurement apparatus, biological information measurement apparatus, and biomagnetic measurement method Yoshinori Okada, Hiroshi Deguchi, Taishi WATANABE, Yuki Miyano, Shigenori Kawabata 2022-07-05
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
10509290 Electrochromic apparatus and method for manufacturing electrochromic apparatus Sukchan Kim, Tohru Yashiro, Hidekazu Yaginuma, Kohji Takeuchi, Yasuhiro Takahashi +1 more 2019-12-17
10488730 Electrochromic device, method for, manufacturing electrochromic device, and electrochromic light control device Sukchan Kim, Tohru Yashiro, Kohji Takeuchi, Takaaki Konno, Shun GOTO +1 more 2019-11-26
10093693 Electrochromic compound, electrochromic composition, and display element Toshiya Sagisaka, Hiroyuki Takahashi, Takashi Okada, Shigenobu Hirano, Tohru Yashiro +7 more 2018-10-09
10012885 Electrochromic display device Yoshinori Okada, Tohru Yashiro, Shigenobu Hirano, Hiroyuki Takahashi, Toshiya Sagisaka +5 more 2018-07-03
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
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, Sukchan Kim, Shigenobu Hirano, Koh Fujimura +5 more 2017-04-25
9500926 Electrochromic display element and image display device Koh Fujimura, Tohru Yashiro, Shigenobu Hirano, Hiroyuki Takahashi, Yoshinori Okada +3 more 2016-11-22
9389480 Method for manufacturing an electrochromic display device and an electrochromic display device having through-hole in display electrode Tohru Yashiro, Shigenobu Hirano, Yoshinori Okada, Sukchan Kim, Koh Fujimura +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 Tohru Yashiro, Yoshinori Okada, Shigenobu Hirano, Koh Fujimura, Kazuaki Tsuji +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
8902151 Controllable electrochromic display device Tohru Yashiro, Shigenobu Hirano, Koh Fujimura, Akishige Murakami, Hiroyuki Takahashi +1 more 2014-12-02
8743048 Electrochromic display element, display device and information apparatus Hiroyuki Takahashi, Yoshinori Okada, Tohru Yashiro, Akishige Murakami, Shigenobu Hirano 2014-06-03
8736941 Electrochromic display apparatus and method of manufacturing the same Tohru Yashiro, Shigenobu Hirano, Masahiro Yanagisawa, Masahiro Masuzawa, Akishige Murakami +3 more 2014-05-27
8687262 Ion conductor and electrochromic display device Tohru Yashiro, Shigenobu Hirano, Koh Fujimura, Yoshinori Okada, Hiroyuki Takahashi +1 more 2014-04-01
8531754 Electrochromic display element Koh Fujimura, Shigenobu Hirano, Tohru Yashiro 2013-09-10