KS

Keisuke Sakai

CC Citizen Holdings Co.: 7 patents #16 of 431Top 4%
CC Citizen Electronics Co.: 6 patents #61 of 252Top 25%
PA Panasonic: 6 patents #4,438 of 21,108Top 25%
KC Kobayashi & Co.: 5 patents #1 of 17Top 6%
Sumitomo Electric Industries: 3 patents #7,735 of 21,551Top 40%
CC Citizen Watch Co.: 3 patents #353 of 1,225Top 30%
EX Exedy: 2 patents #106 of 223Top 50%
TO Toyota: 1 patents #15,335 of 26,838Top 60%
Overall (All Time): #134,544 of 4,157,543Top 4%
28
Patents All Time

Issued Patents All Time

Showing 1–25 of 28 patents

Patent #TitleCo-InventorsDate
12378442 Film and method of manufacturing fluororesin composition Nanae Tanaka 2025-08-05
12290967 Combination of mold and release film, release film, mold, and method for manufacturing molded article Nanae Tanaka, Kenji Miyashita, Go KOBAYASHI 2025-05-06
12268039 Light-emitting device and manufacturing method therefor 2025-04-01
12112957 Release film and method of manufacturing release film Norifumi Iwawaki, Nanae Tanaka, Satoshi Hiramatsu, Akane Kawafuchi 2024-10-08
11920012 Release film and method of manufacturing release film Norifumi Iwawaki, Nanae Tanaka, Satoshi Hiramatsu, Akane Kawafuchi 2024-03-05
11919205 Mold-release film Nanae Tanaka 2024-03-05
11817530 Light emitting device 2023-11-14
11149818 Rotary device Yusuke Tomita 2021-10-19
D929899 Motor vehicle and/or toy replica thereof Shigeo Hirata, Hikaru Iwasaki, Kuniaki Toyooka, Naoki Nagatsu 2021-09-07
10495178 Torque fluctuation inhibiting device, torque converter and power transmission device Yusuke Tomita 2019-12-03
10433381 LED drive circuit Takashi Akiyama 2019-10-01
9898403 Voltage control circuit for providing two voltages generated based on a parameter corresponding to an input signal Takayuki Tanaka, Makoto Matsumoto, Toshiki Mori, Yasuhiro Tomita, Seiji Yamahira 2018-02-20
9485830 LED lighting apparatus Rintaro Takahashi, Takashi Akiyama 2016-11-01
9405671 Process execution control based on the internal states of flash memories and power supply circuit information Takayuki Tanaka, Makoto Matsumoto, Toshiki Mori, Yasuhiro Tomita, Seiji Yamahira 2016-08-02
9380657 LED lighting device Takashi Akiyama, Rintaro Takahashi 2016-06-28
9277615 LED drive circuit Takashi Akiyama, Satoshi Goto, Shigehisa Watanabe, Tatsuro Yamada 2016-03-01
8933636 LED driving circuit Shunji Egawa, Isao Ochi 2015-01-13
8592849 LED light source and chromaticity adjustment method for LED light source 2013-11-26
8222054 LED light source and chromaticity adjustment method for LED light source 2012-07-17
8212429 Interface device for host device, interface device for slave device, host device, slave device, communication system and interface voltage switching method Masayuki Toyama, Takaharu Yoshida 2012-07-03
8207638 Interface device for host device, interface device for slave device, host device, slave device, communication system and interface voltage switching method Masayuki Toyama, Takaharu Yoshida 2012-06-26
8067861 Interface device for host device, interface device for slave device, host device, slave device, communication system and interface voltage switching method Masayuki Toyama, Takaharu Yoshida 2011-11-29
7884545 LED light source and method for adjusting chromaticity of LED light source Masafumi Yokoyama 2011-02-08
7475185 Nonvolatile memory system, nonvolatile memory device, memory controller, access device, and method for controlling nonvolatile memory device Masahiro Nakanishi, Tomoaki Izumi, Tetsushi Kasahara, Kazuaki Tamura, Kiminori Matsuno +5 more 2009-01-06
7321959 Control method of a non-volatile memory apparatus Toshiyuki Honda, Masayuki Toyama 2008-01-22