HY

Hirokazu Yanagihara

SE Seiko Epson: 11 patents #1,668 of 7,774Top 25%
KC Koito Manufacturing Co.: 8 patents #155 of 1,047Top 15%
DC Dainippon Ink And Chemicals: 2 patents #241 of 1,002Top 25%
Overall (All Time): #202,498 of 4,157,543Top 5%
21
Patents All Time

Issued Patents All Time

Showing 1–21 of 21 patents

Patent #TitleCo-InventorsDate
12397570 Drive circuit unit, head unit, and liquid discharge apparatus 2025-08-26
12370792 Liquid ejecting apparatus and cooling unit 2025-07-29
12370798 Liquid ejecting apparatus Eiichiro Watanabe, Hiroaki Okui 2025-07-29
12358283 First drive unit, first liquid ejecting head unit, and liquid ejecting apparatus 2025-07-15
11549893 Projector 2023-01-10
9612510 Projector 2017-04-04
8507897 Organic EL element having a partition with a step, method for manufacturing organic EL element, organic EL device, and electronic apparatus 2013-08-13
8154032 Electrooptical device, electronic apparatus, and method for producing electrooptical device 2012-04-10
7956535 Light emitting device and electronic apparatus 2011-06-07
7775845 Organic semiconductor device, method for producing organic semiconductor device, organic electroluminescent device, and method for producing organic electroluminescent device Akio Fukase, Shunji Tomioka 2010-08-17
7567774 Image forming apparatus 2009-07-28
7198827 Nematic liquid crystal composition and liquid crystal display device using the same Kiyofumi Takeuchi, Haruyoshi Takatsu 2007-04-03
6074079 Vehicle-lamp Satoshi Ogawa 2000-06-13
6010642 Azine derivative, process for the preparation thereof, nematic liquid crystal composition and liquid crystal display system comprising same Haruyoshi Takatsu, Sadao Takehara, Kiyofumi Takeuchi, Makoto Negishi, Norie Osawa +2 more 2000-01-04
5922369 Apparatus for making a synthetic resin layered lens for a vehicle lighting device Shiro Takezawa 1999-07-13
5836674 Lens structure for lamps Norihiro Nishitani, Masamitsu Wada 1998-11-17
5756013 Method of molding a synthetic resin layered lens for a vehicle headlight Shiro Takezawa 1998-05-26
5743630 Method for molding lamp body automotive lamps and lamp body thereof formed of synthetic resin and a mold therefor Masakazu Yamashita 1998-04-28
5721039 Synthetic resin layered lens for a vehicle lighting device, method of molding the same and apparatus therefore Shiro Takezawa 1998-02-24
5642228 Resin-molded lens having no sink marks and process for producing same Shiro Takezawa 1997-06-24
5609407 Vehicular lamps, and apparatus and method for molding the same Shirou Takezawa 1997-03-11