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Yukio Yoshikawa

CL Copal Company Limited: 10 patents #3 of 139Top 3%
AC Asahi Glass Co.: 7 patents #274 of 2,251Top 15%
TC Toyoda Gosei Co.: 2 patents #900 of 2,296Top 40%
Fujitsu Limited: 2 patents #10,930 of 24,456Top 45%
KC Koha Co.: 2 patents #24 of 58Top 45%
Nissan Motor Co.: 2 patents #3,090 of 8,689Top 40%
RK Riso Kagaku: 2 patents #230 of 551Top 45%
JC Japan Crown Cork Co.: 1 patents #36 of 72Top 50%
KS Kobe Steel: 1 patents #857 of 2,031Top 45%
GI Grand Bleu International: 1 patents #3 of 4Top 75%
📍 Tsukuba, JP: #109 of 2,818 inventorsTop 4%
Overall (All Time): #163,812 of 4,157,543Top 4%
25
Patents All Time

Issued Patents All Time

Showing 1–25 of 25 patents

Patent #TitleCo-InventorsDate
9900466 Image processing apparatus Daisuke Fujiwara 2018-02-20
7999215 Image reading apparatus having dual white reference plate and image reading method for effectively performing shading compensation Takashi Ebisawa 2011-08-16
7883789 Substrate with transparent conductive oxide film, process for its production and photoelectric conversion element Kazuo Sato, Naoki Taneda, Makoto Fukawa, Nobutaka Aomine, Mika Kambe 2011-02-08
7459187 Surface-treatment method and equipment Kazushi Hayashi, Toshihiro Kugimiya, Takashi Kobori, Junichi Ebisawa, Kazuo Sato 2008-12-02
6713877 Light-emitting diode Atsuo Hirano, Kiyotaka Teshima, Takemasa Yasukawa 2004-03-30
6643009 Method of inspecting a wrap-fitted state of a cap wrap-fitted to a neck of a bottle and apparatus therefor Nobuyuki Takakusaki, Yukihito Nozaki, Kazunori Nousou 2003-11-04
6445011 Light-emitting diode Atsuo Hirano, Kiyotaka Teshima, Takemasa Yasukawa 2002-09-03
6122021 Liquid crystal display element and a projection type liquid crystal display apparatus Yoshinori Hirai, Satoshi Niiyama, Tomoki Gunjima, Masanori Yuki, Masaya Kunigita +1 more 2000-09-19
6018378 Liquid crystal/polymer composite with high optical anisotropy and low dielectric anisotropy to lower hysteresis exhibiting transparent and light scattering states Yoshinori Hirai, Satoshi Niiyama, Tomoki Gunjima, Masanori Yuki, Masaya Kunigita +1 more 2000-01-25
5902406 Low pressure CVD system Taroh Uchiyama, Takashi Tsukamoto, Jiro Nishihama 1999-05-11
5809676 Sign display apparatus Katsuyuki Sukumoda, Tatsuya Okonogi 1998-09-22
5775791 Surface emission apparatus Shigekazu Nakamura 1998-07-07
D388123 Light-emitting diode indicator Katsuyuki Sukumoda, Tatsuya Okonogi 1997-12-23
D360029 Air filter unit for use in respirators 1995-07-04
5386306 Active matrix liquid crystal display element and projection type active matrix liquid crystal display device Tomoki Gunjima, Masanori Yuki, Masaya Kunigita, Yoshinori Hirai, Eiji Shidoji 1995-01-31
5200942 Focus adjusting apparatus for an optical pickup apparatus Nobuhiko Hosobata, Masaaki Takagi 1993-04-06
5163063 Semiconductor laser driving circuit Takeshi Ishii, Yoshihiro Oyama, Tatsuo Sasaki, Tamotsu Takahashi, Shinichi Sato +6 more 1992-11-10
5150232 Active matrix liquid crystal display element and projection type active matrix liquid crystal display device Tomoki Gunkima, Masanori Yuki, Masaya Kunigita, Yoshinori Hirai, Eiji Shidoji 1992-09-22
4527877 Device for detecting the time of termination of opening operation of shutter blades of an electromagnetic programming shutter Tomio Kurosu 1985-07-09
4514064 Electromagnetic shutter Tomio Kurosu 1985-04-30
4494846 Electromagnetic shutter Tomio Kurosu 1985-01-22
4462672 Control circuit for an electromagnetically driven programming shutter Tomio Kurosu 1984-07-31
4408856 Device for locking a blade driver in an electronic shutter Akira Suzuki, Katumi Kaneko 1983-10-11
4393897 Fluid outlet structure Masao Izumi, Hiroshi Yoshida 1983-07-19
4393898 Fluid outlet device and a method of controlling fluid flow through a nozzle Masao Izumi, Hiroshi Yoshida 1983-07-19