KK

Kazutaka Katayama

TI Tokai Rubber Industries: 31 patents #5 of 557Top 1%
SL Sumitomo Riko Company Limited: 6 patents #34 of 446Top 8%
YA Yazaki: 2 patents #1,574 of 3,427Top 50%
TC Toyo Ink Sc Holdings Co.: 1 patents #51 of 144Top 40%
TC Toyocolor Co.: 1 patents #29 of 71Top 45%
WP Wintech Polymer: 1 patents #10 of 21Top 50%
Overall (All Time): #78,281 of 4,157,543Top 2%
40
Patents All Time

Issued Patents All Time

Showing 1–25 of 40 patents

Patent #TitleCo-InventorsDate
12370864 In-vehicle ventilation system 2025-07-29
12352093 In-vehicle ventilation system 2025-07-08
12072215 Capacitive coupling sensor Ryo Minoshima, Tomohiro FUKUTA 2024-08-27
10533076 Resin composition and method for producing pearly molded body Takashi Ando, Junichi Yoshioka 2020-01-14
10066773 Piping connection structure Yorihiro Takimoto, Koji Mizutani 2018-09-04
9803084 Resin composition for fuel tubes, and fuel tube Koji Mizutani 2017-10-31
9567959 Connector Yorihiro Takimoto, Ryo Ikegami, Koji Mizutani 2017-02-14
9228085 Resin composition for refrigerant-transporting hose and method of producing the resin composition, and refrigerant-transporting hose Naoki Oyaizu, Yukinori Wakazono 2016-01-05
9163754 Resin-made fuel inlet pipe, and method for producing same Takashi Yajima, Koji Mizutani, Shinya Nishikawa, Hiroshi Hayami 2015-10-20
8765244 Resin-made inlet pipe and method of producing the pipe Takashi Yajima, Koji Mizutani 2014-07-01
8747951 Method for manufacturing hose with protector layer Naoki Oyaizu 2014-06-10
8739836 Refrigerant-transporting hose Naoki Oyaizu, Takehiko Taguchi, Hiroyoshi Mori, Eiichi Daikai, Yukinori Wakazono 2014-06-03
8685515 Refrigerant-transporting hose Naoki Oyaizu 2014-04-01
8673417 Hose for gasohol fuel Kazushige Sakazaki, Hiroyoshi Mori, Shinji Iio, Hidehito Ikeda, Hideji Fukaya 2014-03-18
8609200 Hose with sealing layer, direct-connect assembly including the same and method of manufacturing the same Tomoki Inoue 2013-12-17
8555931 In-tank tube for automotive fuel and method of producing the tube Koji Mizutani, Keita Asai, Tokunori Kobayashi 2013-10-15
8273432 Automotive fuel hose Koji Mizutani, Takehiko Taguchi 2012-09-25
8227061 Heat resistant air hose Masashi Noda, Hiroyoshi Mori, Yoshiki Kodaka 2012-07-24
8210213 Multilayer tube Yasumitsu Miyamoto, Koji Mizutani, Kazuhito Kasahara 2012-07-03
8092880 Fuel hose Shinji Iio, Hiroaki Ito 2012-01-10
7517563 Hose of impermeability and a process for manufacturing the same Motoshige Hibino, Ayumu Ikemoto, Hidehito Ikeda, Hiroaki Ito 2009-04-14
7306013 Fuel hose Shinji Iio 2007-12-11
7150294 Fuel cell hose Koyo Murakami 2006-12-19
7150295 Fuel cell hose Hiroaki Ito 2006-12-19
7011114 Automotive fuel hose Junichiro Suzuki, Hiroaki Ito 2006-03-14