Toshiyuki Kumagai has been granted 17 US patents while listed as an inventor at Panasonic . The first was granted in 1990 and the most recent in January 2019. Toshiyuki Kumagai ranks #263,971 of 4,157,543 US inventors in our database (top 6.3%). Patent records list Toshiyuki Kumagai in Mobara, JP.
Patents per Year Patents granted per year, 1990 to 2019 Bar chart with a peak of 5 patents in 2014. peak 5 1990: 1 patents 1990 1992: 1 patents 1992 2010: 1 patents 2010 2011: 4 patents 2011 2013: 2 patents 2013 2014: 5 patents 2014 2015: 1 patents 2015 2016: 1 patents 2016 2019: 1 patents 2019 Issued Patents All Time
Showing 1–17 of 17 patents
Patent # Title Co-Inventors Date Approx Value ⓘ
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
$199,000
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
$111,000
7731417 Temperature detection circuit — 2010-06-08
$109,000
5101118 Synchronization compensating circuit for use in scanning type display circuit Hiroyuki Suzuki 1992-03-31
$24,000
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
$16,000
