MY

Masafumi Yokoyama

CC Citizen Watch Co.: 8 patents #104 of 1,225Top 9%
CC Citizen Holdings Co.: 8 patents #11 of 431Top 3%
SC Sumitomo Chemical: 3 patents #1,386 of 4,033Top 35%
TT The University Of Tokyo: 3 patents #321 of 2,633Top 15%
TC Tcm: 2 patents #9 of 59Top 20%
Bridgestone: 1 patents #1,586 of 2,860Top 60%
Overall (All Time): #196,352 of 4,157,543Top 5%
22
Patents All Time

Issued Patents All Time

Showing 1–22 of 22 patents

Patent #TitleCo-InventorsDate
10464378 Run-flat radial tire 2019-11-05
9772484 Light modulating device Kenji Matsumoto, Nobuyuki Hashimoto, Makoto Kurihara, Ayano Tanabe 2017-09-26
9594238 Aberration correction device and laser microscope Kenji Matsumoto, Ayano Tanabe, Nobuyuki Hashimoto, Makoto Kurihara 2017-03-14
9383573 Phase modulation device and laser microscope Kenji Matsumoto, Ayano Tanabe, Nobuyuki Hashimoto, Makoto Kurihara 2016-07-05
9257141 Polarization conversion element Nobuyuki Hashimoto, Makoto Kurihara, Kenji Matsumoto, Ayano Tanabe 2016-02-09
9176333 Light modulator element and microscope apparatus including light modulation element Nobuyuki Hashimoto, Makoto Kurihara, Kenji Matsumoto, Ayano Tanabe, Yuka Saito 2015-11-03
9112035 Semiconductor substrate, field-effect transistor, integrated circuit, and method for fabricating semiconductor substrate Hisashi Yamada, Masahiko Hata, Mitsuru Takenaka, Shinichi Takagi, Tetsuji Yasuda +2 more 2015-08-18
8901656 Semiconductor wafer, field-effect transistor, method of producing semiconductor wafer, and method of producing field-effect transistor Takeshi Aoki, Hisashi Yamada, Noboru Fukuhara, Masahiko Hata, Sanghyeon Kim +3 more 2014-12-02
8779471 Field-effect transistor, semiconductor wafer, method for producing field-effect transistor and method for producing semiconductor wafer Masahiko Hata, Hisashi Yamada, Noboru Fukuhara, Shinichi Takagi, Mitsuru Takenaka +5 more 2014-07-15
8243251 Liquid crystal fresnel lens 2012-08-14
7884545 LED light source and method for adjusting chromaticity of LED light source Keisuke Sakai 2011-02-08
7570388 Exposure device Akira Shiota 2009-08-04
7349003 Method for determining a correction value for light-emitting parts in exposure apparatus Akira Shiota, Makoto Yasunaga, Sadao Masubuchi, Akinobu Iwako 2008-03-25
7271798 Liquid crystal exposure device Sadao Masubuchi, Makoto Yasunaga, Masaaki Matsunaga 2007-09-18
7015446 Light source for an optical apparatus in which the amount of light emission is controlled at a constant level 2006-03-21
6720986 Optical printer device that forms color images Sadao Masubuchi, Hideyuki Kawashima, Masaaki Matsunaga, Akira Shiota 2004-04-13
6445403 Optical printer Sadao Masubuchi, Shigeru Futakami, Masaaki Matsunaga, Akira Shiota, Shinichi Nonaka 2002-09-03
6366338 Line-scanning optical printer Sadao Masubuchi, Shigeru Futakami, Masaaki Matsunaga, Akira Shiota, Maki Wakita +3 more 2002-04-02
D448136 Fork lift truck Toshiyuki Yurushi, Joji Tominaga, Yoshiyuki Enmeiji 2001-09-18
6275247 Optical printer apparatus Sadao Masubuchi, Sigeru Futakami, Masaaki Matsunaga, Akira Shiota, Shinichi Nonaka +1 more 2001-08-14
6262757 Optical printer Sadao Masubuchi, Sigeru Futakami, Masaaki Matsunaga, Akira Shiota, Shinichi Nonaka +2 more 2001-07-17
D444607 Fork lift truck Toshiyuki Yurushi, Joji Tominaga, Yoshiyuki Enmeiji 2001-07-03