IK

Ikue Kawashima

Ricoh Company: 27 patents #743 of 9,818Top 8%
TT The University Of Tokyo: 2 patents #500 of 2,633Top 20%
CP Chugai Pharmaceutical: 1 patents #730 of 1,238Top 60%
TC Tohoku Ricoh Co.: 1 patents #101 of 204Top 50%
Overall (All Time): #121,802 of 4,157,543Top 3%
30
Patents All Time

Issued Patents All Time

Showing 1–25 of 30 patents

Patent #TitleCo-InventorsDate
12333851 Optical sensor Takao Someya 2025-06-17
12300405 Electronic functional member and strain sensor Takao Someya, Akihito Miyamoto, Yan Wang, Yorishige Matsuba 2025-05-13
11143870 Display apparatus and display method Norikazu IGARASHI, Shigenobu Hirano, Yasuo Katano, Kenji Kameyama, Takashi Maki +4 more 2021-10-12
10942354 Monocular image display device Yasuo Katano, Shigenobu Hirano, Kenji Kameyama, Takashi Maki, Yuuto GOTOH +2 more 2021-03-09
10670421 Apparatus, system, and method of information sharing, and recording medium Yuuto GOTOH, Shigenobu Hirano, Yasuo Katano, Takashi Maki, Kenji Kameyama +5 more 2020-06-02
10339896 Head-mounted display apparatus, and display method Yuuma Usui, Shigenobu Hirano, Yasuo Katano, Aino Hasegawa, Atsushi Ohshima 2019-07-02
8441713 Electrophoretic liquid and display device using electrophoretic liquid Masahiro Masuzawa, Masahiro Yanagisawa, Yoshihisa Naijo 2013-05-14
8378785 Image display device and method for controlling the same Soichi Nagamatsu 2013-02-19
7999253 Organic transistor and active matrix display Takumi Yamaga, Yoshikazu Akiyama 2011-08-16
7816672 Wiring pattern, electronic device, organic semiconductor device, layered wiring pattern, and layered wiring substrate using the wiring pattern Hidenori Tomono, Koei Suzuki, Yoshikazu Akiyama 2010-10-19
7765686 Multilayer wiring structure and method of manufacturing the same Akishige Murakami, Yoshikazu Akiyama 2010-08-03
7768001 Organic transistor, organic transistor array, and display apparatus Takumi Yamaga, Yoshinobu Nakayama 2010-08-03
7663797 Multicolor display element Shigenobu Hirano, Takuji Kato, Hiroyuki Takahashi, Takeshi Shibuya 2010-02-16
7525716 Display device and display apparatus Shigenobu Hirano, Hiroyuki Takahashi, Takeshi Shibuya 2009-04-28
7474322 Image display medium, process for forming image, and multicolor image-forming apparatus Hiroyuki Takahashi, Shigenobu Hirano 2009-01-06
7333259 Multicolor display element Shigenobu Hirano, Takuji Kato, Hiroyuki Takahashi, Takeshi Shibuya 2008-02-19
7029833 Image display medium, process for forming image, and multicolor image-forming apparatus Hiroyuki Takahashi, Shigenobu Hirano 2006-04-18
6707514 Optical path element, optical switching element, spatial light modulator and image display apparatus Hitoshi Kondoh, Hidenori Tomono 2004-03-16
6480345 Image magnifying/reducing optical device and manufacturing method thereof Shigeaki Nimura 2002-11-12
6163053 Semiconductor device having opposite-polarity region under channel 2000-12-19
6150698 Semiconductor device and method of forming semiconductor device having non-uniformly doped well Masaya Ohtsuka, Takeshi Nanjyo 2000-11-21
5991075 Light polarizer and method of producing the light polarizer Tadao Katsuragawa, Yasuhiro Satoh 1999-11-23
5976971 Fabrication process of a semiconductor device having an interconnection structure Shigeru Kinpara, Katsunari Hanaoka, Kazunori Ito 1999-11-02
5937327 Method for improving wiring contact in semiconductor devices 1999-08-10
5589712 Semiconductor integrated circuit device and a method of manufacturing the same Katsunari Hanaoka 1996-12-31