KT

Kohji Takeuchi

Ricoh Company: 16 patents #1,360 of 9,818Top 15%
Overall (All Time): #291,420 of 4,157,543Top 8%
16
Patents All Time

Issued Patents All Time

Showing 1–16 of 16 patents

Patent #TitleCo-InventorsDate
11833800 Method and apparatus for forming three-dimensional curved surface on laminated substrate, and three-dimensional curved laminated substrate Tohru Yashiro, Yasuhiro Takahashi, Sukchan Kim 2023-12-05
11681195 Laminated structure, multiple laminated structure, lens, and method for producing laminated structure Tohru Yashiro, Yasuhiro Takahashi 2023-06-20
11495856 Glasses-type device and charger for glasses-type device Atsushi Ohshima, Tohru Yashiro, Sukchan Kim, Yoshihisa Naijo 2022-11-08
11474408 Electronic device, method for producing electronic device, and photochromatic lens unit Yasuhiro Takahashi, Keiichiroh Yutani, Tohru Yashiro, Tomoo Fukuda, Tohru Hasegawa +2 more 2022-10-18
11221533 Electrochromic device Tohru Yashiro, Takahiko Matsumoto, Sukchan Kim, Shun GOTO, Keiichiroh Yutani +2 more 2022-01-11
10509290 Electrochromic apparatus and method for manufacturing electrochromic apparatus Sukchan Kim, Tohru Yashiro, Hidekazu Yaginuma, Yoshihisa Naijo, Yasuhiro Takahashi +1 more 2019-12-17
10488730 Electrochromic device, method for, manufacturing electrochromic device, and electrochromic light control device Sukchan Kim, Tohru Yashiro, Yoshihisa Naijo, Takaaki Konno, Shun GOTO +1 more 2019-11-26
10281793 Electrochromic dimming device and electrochromic driving device Atsushi Ohshima, Shigenobu Hirano, Keiichiroh Yutani, Takahiko Matsumoto, Hidekazu Yaginuma +6 more 2019-05-07
10126623 Electrochromic device and electrochromic dimming device Shun GOTO, Tohru Yashiro, Sukchan Kim, Takahiko Matsumoto, Keiichiroh Yutani +3 more 2018-11-13
9891497 Electrochromic device and method for producing electrochromic device Tohru Yashiro, Sukchan Kim, Shun GOTO, Yuuma Usui, Yasuo Katano +11 more 2018-02-13
8900784 Toner, developer, toner container, image forming apparatus, image forming method, and process cartridge Yasuo Katano, Yukimichi Someya, Shinji Tezuka, Fuminari Kaneko, Kohji Matsuoka +3 more 2014-12-02
8039405 Conductive oxide-deposited substrate and method for producing the same, and MIS laminated structure and method for producing the same Hiroshi Miura, Nobuaki Toyoshima 2011-10-18
7751294 Information recording method, information recording apparatus, optical disk, program and computer readable recording medium Kenya Yokoi, Yukiko Katoh 2010-07-06
7733750 Information recording method for recording multi-value data in optimum recording condition 2010-06-08
7688695 Method of writing multi-level data using adjusted recording waveform 2010-03-30
7126897 Multi-level information recording apparatus, multi-level information recording method, multi-level information recording medium and multi-level information recording-reproducing apparatus Akihiko Shimizu 2006-10-24