SS

Seiji Sakai

Mitsubishi Electric: 22 patents #842 of 25,717Top 4%
OS Olympus Medical Systems: 5 patents #122 of 833Top 15%
TO Toyota: 3 patents #8,352 of 26,838Top 35%
MC Murata Manufacturing Co.: 3 patents #2,166 of 5,295Top 45%
OL Olympus: 3 patents #1,323 of 3,097Top 45%
AD Advanced Display: 3 patents #45 of 147Top 35%
TU Tohoku University: 1 patents #615 of 1,680Top 40%
DI Daikin Industries: 1 patents #1,764 of 2,957Top 60%
SC Shin-Etsu Chemical Co.: 1 patents #1,340 of 2,176Top 65%
JA Japan Atomic Energy Agency: 1 patents #64 of 251Top 30%
SK Showa Denko K.K.: 1 patents #940 of 1,736Top 55%
Overall (All Time): #64,655 of 4,157,543Top 2%
45
Patents All Time

Issued Patents All Time

Showing 1–25 of 45 patents

Patent #TitleCo-InventorsDate
12389805 Layered structure, magnetoresistive device using the same, and method of fabricating layered structure Songtian Li 2025-08-12
12159668 Magneto-optical memory interface Shigemi Mizukami, Shunsuke Fukami, Junsaku Nitta, Satoshi Iihama, Yoshiro Hirayama 2024-12-03
11822068 Insertion instrument 2023-11-21
10509160 Surface light source device and display device Yusuke MAKI 2019-12-17
10067333 Endoscope having image pickup sensor and first and second light blocking members 2018-09-04
9638852 Point light source, planar light source device, and display device 2017-05-02
9640213 Perpendicular magnetic recording medium and magnetic storage apparatus Kota Hasegawa, Takahiro Ukai, Eishin Yamakawa, Shiro Entani 2017-05-02
9500795 Area light source device and display device using same Kenji Itoga, Akimasa Yuuki, Kazutada Takaira 2016-11-22
9360613 Planar light source apparatus and display apparatus using same 2016-06-07
9274265 Surface light source apparatus and display apparatus using same 2016-03-01
9188779 Display apparatus and head-up display system having the same 2015-11-17
9182538 Planar light source device and display apparatus incorporating same 2015-11-10
9007449 Electronic endoscope Takahiko Mitani, Kazuhiro Kumei, Kazuyoshi Akiba, Hironobu Ichimura, Masahiro Kawauchi 2015-04-14
8885118 Illumination device and liquid crystal display having a light guide plate with protrusions of multiple heights Akimasa Yuuki, Kenji Itoga, Naoko Iwasaki, Takafumi Kokusho, Yuji Tsuchiyama 2014-11-11
8851223 Motor mounting structure Taichi Yamashita 2014-10-07
8427533 Image pickup apparatus, electronic endoscope, and lens unit Tomoaki Yamashita, Masahiro Kawauchi, Takahiko Mitani, Yuuya Ishida, Seiji IWASAKI 2013-04-23
8425405 Electronic endoscope apparatus Takahiko Mitani, Akira Muramatsu, Tomoaki Yamashita, Masahiro Kawauchi, Yuichi WATAYA 2013-04-23
8360965 Endoscopic image pickup unit Toru Kuchimaru 2013-01-29
7961412 Actuator apparatus and image pickup unit Seiji IWASAKI, Toru Kuchimaru, Yuuya Ishida 2011-06-14
7762705 Surface light source device and display device using the same Toshiyuki Yoneda 2010-07-27
7708444 Surface light source device Takuya Sakamoto, Toshiyuki Yoneda 2010-05-04
7656398 Surface light source device and liquid crystal display device Takuya Sakamoto, Toshiyuki Yoneda 2010-02-02
7641376 Surface light source device and display device using same Akihiro Mori 2010-01-05
7604389 Surface light source device Takuya Sakamoto 2009-10-20
7578610 Light source device and liquid display device Takuya Sakamoto 2009-08-25