KA

Katsuyuki Akutsu

SO Sony: 25 patents #1,512 of 25,231Top 6%
Overall (All Time): #160,516 of 4,157,543Top 4%
25
Patents All Time

Issued Patents All Time

Showing 1–25 of 25 patents

Patent #TitleCo-InventorsDate
11940630 Display apparatus and display method Teppei Imamura, Ryo Ogawa, Masanori Iwasaki, Takanobu Omata, Itaru Shimizu 2024-03-26
11227519 Image projection apparatus, image projection method, image display light output control method by acquiring pupil area or size Teppei Imamura 2022-01-18
11073693 Optical device, head mounted display, assembling method for the same, holographic diffraction grating, display device, and alignment device Hideo Nagasaka, Yusuke Kajio, Takashi Mizusawa, Daisuke Tsukuda, Kazutatsu Tokuyama 2021-07-27
11061231 Optical device and display device Takashi Oku, Akio Machida, Nobuhiro Suzuki, Takuji Yoshida 2021-07-13
11003212 Image display device, display device, and adjustment method for display device Shingo Ohkawa 2021-05-11
10025100 Optical device and virtual image display Satoshi Nakano, Hiroshi Mukawa 2018-07-17
9759920 Light reflecting member, light beam extension device, image display device, and optical device Hirotaka Akao 2017-09-12
9726890 Light beam expanding device, image display device, and optical device Nobuaki Kuribara, Teppei Imamura 2017-08-08
9541762 Optical device, and virtual image display Hiroshi Mukawa 2017-01-10
9383722 Optical device and virtual image display Satoshi Nakano, Hiroshi Mukawa 2016-07-05
9335550 Optical device, and virtual image display Hiroshi Mukawa 2016-05-10
9279984 Image displaying apparatus and optical apparatus Kazuma Aiki 2016-03-08
9176265 Optical device, and virtual image display Hiroshi Mukawa 2015-11-03
9164221 Light beam expanding device, image display device, and optical device Nobuaki Kuribara, Teppei Imamura 2015-10-20
8982437 Hologram recording film and method of manufacturing same, and image display apparatus Mieko Kuwahara, Takuji Yoshida 2015-03-17
8976453 Light reflecting member, light beam extension device, image display device, and optical device Hirotaka Akao 2015-03-10
8810878 Optical device and virtual image display Satoshi Nakano, Hiroshi Mukawa 2014-08-19
8396339 Optical device, and virtual image display device Hiroshi Mukawa 2013-03-12
8325166 Optical device and virtual image display device including volume hologram gratings Satoshi Nakano, Hiroshi Mukawa 2012-12-04
8213755 Optical device, and virtual image display device Hiroshi Mukawa 2012-07-03
8073296 Optical device, and virtual image display device Hiroshi Mukawa 2011-12-06
8023783 Optical device, and virtual image display device Hiroshi Mukawa 2011-09-20
7747113 Optical device and virtual image display device Hiroshi Mukawa 2010-06-29
7502168 Optical device and image display apparatus Hiroshi Mukawa 2009-03-10
7418170 Optical device and virtual image display device Hiroshi Mukawa 2008-08-26