KH

Koji Hagiwara

TO Toyota: 10 patents #2,889 of 26,838Top 15%
HI Hitachi: 7 patents #5,859 of 28,497Top 25%
HC Hitachi Electronic Devices Co.: 6 patents #10 of 92Top 15%
SC Shin-Etsu Chemical Co.: 2 patents #1,026 of 2,176Top 50%
TL Tokyo Electron Limited: 1 patents #3,538 of 5,567Top 65%
📍 Susono, JP: #161 of 1,238 inventorsTop 15%
Overall (All Time): #218,613 of 4,157,543Top 6%
20
Patents All Time

Issued Patents All Time

Showing 1–20 of 20 patents

Patent #TitleCo-InventorsDate
12103814 Tape winder 2024-10-01
10746077 Diagnostic apparatus for exhaust gas sensor Yasushi Iwazaki, Toru Kidokoro, Hirotaka SAITO 2020-08-18
10619547 Diagnosis apparatus and diagnosis method for NOx sensor Masahiko Masubuchi, Toru Kidokoro, Yasushi Iwazaki, Hiroshi Miyamoto 2020-04-14
10302002 Deterioration diagnosis apparatus for exhaust gas purification apparatus Toru Kidokoro, Yasushi Iwazaki, Taisuke Yoshida 2019-05-28
10184382 Abnormality diagnosis apparatus for NOx storage reduction catalyst Toru Kidokoro, Yasushi Iwazaki 2019-01-22
10119446 Deterioration diagnosis apparatus for exhaust gas purification apparatus Toru Kidokoro, Yasushi Iwazaki, Hirotaka Saitoh, Yuji Miyoshi 2018-11-06
10072544 Deterioration diagnosis apparatus for the exhaust gas purification apparatus Hirotaka Saitoh, Takahiko Fujiwara, Toru Kidokoro, Yasushi Iwazaki 2018-09-11
10072553 Deterioration diagnosis apparatus for selective catalytic reduction catalyst Toru Kidokoro, Yasushi Iwazaki, Takahiko Fujiwara 2018-09-11
9650936 Abnormality detection apparatus for exhaust gas purification apparatus Toru Kidokoro, Yasushi Iwazaki 2017-05-16
9617900 Deterioration diagnosis device for an exhaust gas purification apparatus Hirotaka Saitoh, Yasushi Iwazaki 2017-04-11
9611776 Deterioration diagnosis device for an exhaust gas purification apparatus Hirotaka Saitoh, Toru Kidokoro, Yasushi Iwazaki, Takahiko Fujiwara 2017-04-04
6707242 Color cathode ray tube Yoichi Ito 2004-03-16
6501214 Color cathode ray tube Hideharu Sakamoto, Nobuhiko Hosotani 2002-12-31
6465942 Color cathode ray having a shadow mask structure with curl reduced in a skirt portion thereof Hiroshi Ito 2002-10-15
6437497 Color cathode ray tube having an improved shadow mask Hiroshi Ito, Nobuhiko Hosotani, Masahiro Ito 2002-08-20
6274974 Color cathode ray tube having an improved shadow mask structure Hiroshi Ito, Nobuhiko Hosotani, Masahiro Ito 2001-08-14
6255765 Color cathode ray tube having a shadow mask structure with curl reduced in a skirt portion thereof Hiroshi Ito 2001-07-03
6111346 Color cathode ray tube having shadow mask structure with curl reduced in skirt portion Hiroshi Ito, Nobuhiko Hosotani, Masahiro Ito 2000-08-29
5952063 Crucible of pyrolytic boron nitride for molecular beam epitaxy Noboru Kimura 1999-09-14
5665260 Ceramic electrostatic chuck with built-in heater Nobuo Kawada, Shoji Kano, Nobuo Arai, Junichi Arami, Kenji Ishikawa 1997-09-09