Inventor
HAMAMOTO KOKICHI
JP14 patents
⚠️ This page may combine multiple inventors who share the name “HAMAMOTO KOKICHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
NOK CORP
11 patentsUSD802104SNov 7, 2017
Seal
NOK CORP23 citations92
USD865134SOct 29, 2019
Seal
NOK CORP5 citations82
US7942423B2May 17, 2011
Lip type seal
NOK CORP15 citations80
US11287042B2Mar 29, 2022
Sealing apparatus
NOK CORP2 citations71
US10208861B2Feb 19, 2019
Sealing device
NOK CORP5 citations71
US9133938B2Sep 15, 2015
Sealing device
NOK CORP3 citations61
US11835136B2Dec 5, 2023
Sealing device
NOK CORP0 citations51
US11261968B2Mar 1, 2022
Sealing device for differential mechanism
NOK CORP0 citations50
US11460110B2Oct 4, 2022
Sealing device
NOK CORP0 citations48
US12590637B2Mar 31, 2026
Sealing device
NOK CORP0 citations44
US11668397B2Jun 6, 2023
Sealing structure for cover made of resin
NOK CORP0 citations43