KH

Kokichi Hamamoto

NO Nok: 13 patents #14 of 725Top 2%
DE Denso: 1 patents #6,940 of 11,792Top 60%
Overall (All Time): #372,413 of 4,157,543Top 9%
13
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
11835136 Sealing device Toshiki Watanabe, Tomoaki Nishimura, Masayuki Tanida 2023-12-05
11668397 Sealing structure for cover made of resin Shiho Shonai, Hiromi SUGIHARA, Tomoaki Nishimura 2023-06-06
11460110 Sealing device Toshiki Watanabe, Tomoaki Nishimura, Hiromi SUGIHARA 2022-10-04
11287042 Sealing apparatus Yuya SAKANO, Hiroki Matsui, Takehiro Nakagawa, Hisato YONAI, Masahiko Inoue 2022-03-29
11261968 Sealing device for differential mechanism Hideaki NAGAHAMAYA, Masayuki Tanida, Takehiro Nakagawa 2022-03-01
D865134 Seal Hideaki NAGAHAMAYA, Masayuki Tanida, Takehiro Nakagawa 2019-10-29
10208861 Sealing device Takehiro Nakagawa, Hideaki NAGAHAMAYA, Shiho Sato 2019-02-19
D802104 Seal Hideaki NAGAHAMAYA, Masayuki Tanida, Takehiro Nakagawa 2017-11-07
9303768 Valve stem seal device Yasunari Hamaya 2016-04-05
9133938 Sealing device 2015-09-15
8622397 Oil seal 2014-01-07
8573112 High-pressure fuel pump and seal system for high-pressure fuel pump Junichi Nakayama, Nobuyuki Eguchi, Tamio Inamura, Hiroshi Inoue 2013-11-05
7942423 Lip type seal Yosuke Kondo, Yasuaki Tanabe, Junichi Nakayama, Tamio Inamura, Koichi Mizunoya +1 more 2011-05-17