Inventor
OHTSUKA YASUO
JP20 patents
⚠️ This page may combine multiple inventors who share the name “OHTSUKA YASUO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HITACHI LTD
11 patentsUS6779894B2Aug 24, 2004
Display device and display optical system unit
HITACHI LTD30 citations96
US6394608B1May 28, 2002
Display device and display optical system unit
HITACHI LTD48 citations96
US6181664B1Jan 30, 2001
Disk cartridge and disk device using the same
HITACHI LTD13 citations82
US4712970ADec 15, 1987
Method for handling a work in a robot system
HITACHI LTD23 citations79
US6108299AAug 22, 2000
Disk cartridge and disk device using the same
HITACHI LTD7 citations74
US5991260ANov 23, 1999
Disk cartridge and disk device using the same
HITACHI LTD6 citations74
US7128422B2Oct 31, 2006
Display device and display optical system unit
HITACHI LTD5 citations73
US6935750B2Aug 30, 2005
Display device and display optical system unit
HITACHI LTD7 citations73
US6582083B2Jun 24, 2003
Display device and display optical system unit
HITACHI LTD7 citations73
US6075763AJun 13, 2000
Disk cartridge and disk device using the same
HITACHI LTD2 citations63
US7341354B2Mar 11, 2008
Display device and display optical system unit
HITACHI LTD1 citations62
MEIJI SEIKA KAISHA
4 patentsUS6372735B1Apr 16, 2002
Tricyclic triazolobenzazepine derivatives, process for producing the same, and antiallergic
MEIJI SEIKA KAISHA18 citations89
US6093714AJul 25, 2000
Tricyclic benzazepine compounds
MEIJI SEIKA KAISHA8 citations70
US7022860B2Apr 4, 2006
Tricyclic triazolobenzazepine derivatives, process for producing the same, and antiallergic agents
MEIJI SEIKA KAISHA2 citations60
US7238812B2Jul 3, 2007
Tricyclic triazolobenzazepine derivatives, process for producing the same, and antiallergic agents
MEIJI SEIKA KAISHA0 citations49
UNIV TOHOKU
3 patentsUS4848983AJul 18, 1989
Catalytic coal gasification by utilizing chlorides
UNIV TOHOKU85 citations94
US6555084B2Apr 29, 2003
Method of decomposing ammonia gas
UNIV TOHOKU21 citations92
US6410477B1Jun 25, 2002
Hydrogenation catalyst of carbon monoxide and method of manufacturing hydrogenation product
UNIV TOHOKU8 citations72