TT

Tsutomu Takekawa

KT Kabushiki Kaisha Toshiba: 13 patents #2,297 of 21,451Top 15%
PA Panasonic: 2 patents #9,678 of 21,108Top 50%
📍 Fukaya, JP: #23 of 288 inventorsTop 8%
Overall (All Time): #326,858 of 4,157,543Top 8%
15
Patents All Time

Issued Patents All Time

Showing 1–15 of 15 patents

Patent #TitleCo-InventorsDate
7307378 In-line type electron gun and color cathode ray tube apparatus using the same Hirofumi Ueno 2007-12-11
7135813 Color Braun tube apparatus with non-circular electron beam passage aperture Hirofumi Ueno 2006-11-14
7122977 Cathode-ray tube apparatus Hirofumi Ueno 2006-10-17
7030548 Cathode-ray tube apparatus Hirofumi Ueno 2006-04-18
6853122 Cathode-ray tube apparatus Noriyuki Miyamoto, Hirofumi Ueno, Masatane Jida, Kazunori Satou, Tomonari Ishihara 2005-02-08
6703775 Color cathode ray tube apparatus with an electron gun having an intermediate electrode Noriyuki Miyamoto, Hirofumi Ueno 2004-03-09
6646370 Cathode-ray tube apparatus Hirofumi Ueno 2003-11-11
6586868 Color cathode-ray tube apparatus with multi-lens electron focusing and yoke deflection Hirofumi Ueno, Kazunori Satou 2003-07-01
6538397 Color cathode-ray tube apparatus Hirofumi Ueno, Noriyuki Miyamoto 2003-03-25
6489736 Color cathode ray tube apparatus Hirofumi Ueno, Kazunori Satou 2002-12-03
6404149 Cathode ray tube apparatus Hirofumi Ueno 2002-06-11
6396202 Electron gun structure including cathode support strap with opening portion Shigeru Sugawara, Hirofumi Ueno 2002-05-28
6339284 Color cathode ray tube apparatus having auxiliary grid electrodes Hirofumi Ueno 2002-01-15
6335597 Color cathode-ray tube apparatus Hirofumi Ueno, Kazunori Satou 2002-01-01
5994826 Color cathode ray tube Hirofumi Ueno 1999-11-30