TK

Tatsuya Katoh

CC Citizen Electronics Co.: 10 patents #26 of 252Top 15%
CC Citizen Watch Co.: 6 patents #168 of 1,225Top 15%
Sharp Kabushiki Kaisha: 6 patents #2,623 of 10,731Top 25%
CC Citizen Holdings Co.: 4 patents #47 of 431Top 15%
Ngk Spark Plug Co.: 3 patents #540 of 1,594Top 35%
Ricoh Company: 2 patents #5,693 of 9,818Top 60%
Tdk: 2 patents #1,902 of 3,796Top 55%
JA Jatco: 1 patents #458 of 871Top 55%
Overall (All Time): #173,179 of 4,157,543Top 5%
24
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
10825963 Light-emitting device and method for manufacturing same Sadato Imai, Masahiro Watanabe, Kazuki Matsumura 2020-11-03
10785879 Circuit board and production method therefor Masanori Ito, Masaki Kutsuna 2020-09-22
10524365 Ceramic substrate Masanori Ito, Masaki Kutsuna 2019-12-31
10431721 Light-emitting device and method for manufacturing same Sadato Imai, Masahiro Watanabe, Kazuki Matsumura 2019-10-01
10375837 Method of manufacturing a ceramic substrate Masanori Ito, Masaki Kutsuna 2019-08-06
10367032 Light-emitting apparatus Tadahiro Fukuda 2019-07-30
10084122 Light-emitting apparatus and method of manufacturing the same Sadato Imai 2018-09-25
9859482 LED lighting apparatus and method for manufacturing the same Sadato Imai 2018-01-02
9620684 LED lighting apparatus and method for manufacturing the same Sadato Imai 2017-04-11
D771579 Light emitting diode Hiroaki Eguchi, Sadato Imai, Takuya Funakubo, Takeru Ohmori 2016-11-15
D771282 Light source Maki Takehara 2016-11-08
D750581 Light emitting diode Hiroaki Eguchi, Sadato Imai 2016-03-01
9202613 Ferrite magnetic material, ferrite magnet, and ferrite sintered magnet Shigeki Yanagida, Takahiro Mori, Hiroyuki Morita, Nobuhiro Suto, Yoshihiko Minachi 2015-12-01
8591760 Ferrite magnetic material, ferrite magnet, and ferrite sintered magnet Shigeki Yanagida, Takahiro Mori, Hiroyuki Morita, Nobuhiro Suto, Yoshihiko Minachi 2013-11-26
8576567 Semiconductor device and display apparatus Takuya Sugiyama, Yasunori Chikawa 2013-11-05
D690444 Light-emitting diode Hitoshi Saito 2013-09-24
8373262 Source driver, method for manufacturing same, and liquid crystal module 2013-02-12
8344486 Semiconductor device and display apparatus Tomokatsu Nakagawa, Yasunori Chikawa, Akiteru Rai, Takuya Sugiyama 2013-01-01
8193627 IC chip mounting package provided with IC chip located in device hole formed within a package base member Satoru Kudose, Tomokatsu Nakagawa 2012-06-05
8129825 IC chip package employing substrate with a device hole Satoru Kudose, Tomokatsu Nakagawa 2012-03-06
8080823 IC chip package and image display device incorporating same Satoru Kudose, Tomokatsu Nakagawa 2011-12-20
5335763 Spring retainer for clutch piston 1994-08-09
4481271 Layered electrophotographic photoconductor containing a hydrazone Mitsuru Hashimoto, Kiyoshi Sakai, Toshio Fukagai, by Mankichi Katoh, legal representative 1984-11-06
4390608 Layered charge generator/transport electrophotographic photoconductor uses bisazo pigment Mitsuru Hashimoto, Masaomi Sasaki, Toshio Fukagai, by Mankichi Katoh, legal representative 1983-06-28