TK

Toshiyuki Kumagai

PA Panasonic: 10 patents #2,582 of 21,108Top 15%
JD Japan Display: 7 patents #421 of 1,204Top 35%
HD Hitachi Displays: 5 patents #194 of 752Top 30%
Mitsubishi Electric: 2 patents #11,187 of 25,717Top 45%
NE Nec: 2 patents #5,510 of 14,502Top 40%
RE Renesas Electronics: 1 patents #2,739 of 4,529Top 65%
📍 Mobara, JP: #65 of 731 inventorsTop 9%
Overall (All Time): #274,320 of 4,157,543Top 7%
17
Patents All Time

Issued Patents All Time

Showing 1–17 of 17 patents

Patent #TitleCo-InventorsDate
10191588 Coordinate input device and display device with the same Norio Mamba, Koji Nagata, Koji Hayakawa, Kouichi Anno, Tsutomu Furuhashi +1 more 2019-01-29
9395850 Coordinate input device and display device with the same Norio Mamba, Koji Nagata, Koji Hayakawa, Kouichi Anno, Tsutomu Furuhashi +1 more 2016-07-19
9024886 Touch-panel device Koji Doi, Norio Mamba, Koji Nagata, Koji Hayakawa 2015-05-05
8847914 Touched position detection method for touch panel Koji Doi, Norio Mamba, Koji Nagata, Koji Hayakawa, Toshiaki Atsuta 2014-09-30
8773369 Sensoring apparatus of proximity and contact, and display devices Koji Nagata, Norio Mamba, Koji Hayakawa 2014-07-08
8766702 Power semiconductor device having plurality of switching elements connected in parallel Khalid Hassan Hussein, Shoji Saito 2014-07-01
8698774 Method for determining multiple touch points by pairing detected electrodes during a second touch sensing period Norio Mamba, Hideo Sato 2014-04-15
8681134 Display device Norio Mamba, Tsutomu Furuhashi 2014-03-25
8542213 Touched position detection method for touch panel Koji Doi, Norio Mamba, Koji Nagata, Koji Hayakawa, Toshiaki Atsuta 2013-09-24
8487901 Display device Kouji Hayakawa, Koji Nagata, Norio Mamba, Shinji Sekiguchi, Kouichi Anno +1 more 2013-07-16
8081168 On-screen input image display system Norio Mamba, Tsutomu Furuhashi, Masayoshi Kinoshita 2011-12-20
8063897 Display device Norio Mamba, Tsutomu Furuhashi 2011-11-22
8023603 Interface circuit including a shift clock generator to generate a shift clock having different cycles according to data sequence of data string 2011-09-20
8009134 Display device Norio Mamba, Tsutomu Furuhashi 2011-08-30
7731417 Temperature detection circuit 2010-06-08
5101118 Synchronization compensating circuit for use in scanning type display circuit Hiroyuki Suzuki 1992-03-31
4910703 Data processing unit having multiple-purpose port used as a resonator connection port in first mode and as a data i/o port in second mode Yukihiro Ikeda 1990-03-20