Inventor
ASAI OSAMU
24 patents
⚠️ This page may combine multiple inventors who share the name “ASAI OSAMU”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HITACHI LTD
11 patentsUS4663649AMay 5, 1987
SiC sintered body having metallized layer and production method thereof
HITACHI LTD29 citations92
US4259415AMar 31, 1981
Primary battery
HITACHI LTD48 citations92
US4044394AAug 23, 1977
Thin film magnetic head with a center tap
HITACHI LTD32 citations92
US3969153AJul 13, 1976
Method of manufacturing a stainless steel boiler tube with anticorrosive coating
HITACHI LTD35 citations92
US4024041AMay 17, 1977
Method of forming deposition films for use in multi-layer metallization
HITACHI LTD29 citations82
US4912544AMar 27, 1990
Corrosion-resistant aluminum electronic material
HITACHI LTD16 citations74
US4003772AJan 18, 1977
Method for preparing thin film integrated circuit
HITACHI LTD11 citations74
US4043647AAug 23, 1977
Method of forming alignment film for liquid crystal display cell
HITACHI LTD11 citations71
US3968019AJul 6, 1976
Method of manufacturing low power loss semiconductor device
HITACHI LTD11 citations71
US4561891ADec 31, 1985
Powdery silicon carbide composition for sintering
HITACHI LTD6 citations62
US4153519AMay 8, 1979
Silver-electroplating method using thiocyanic solution
HITACHI LTD4 citations57
HOYA CORP
4 patentsUS7999989B2Aug 16, 2011
Photochromic film, photochromic lens comprising the same, and method of manufacturing photochromic lens
HOYA CORP68 citations97
USRE46357EApr 4, 2017
Photochromic film, photochromic lens comprising the same, and method of manufacturing photochromic lens
HOYA CORP5 citations84
US7813059B2Oct 12, 2010
Optical lens base with protective film and process for producing optical lens base
HOYA CORP2 citations55
US7660051B2Feb 9, 2010
Optical lens base with protective film and process for producing optical lens base
HOYA CORP2 citations55