Inventor
YAMAMOTO AKIHIKO
JP37 patents
⚠️ This page may combine multiple inventors who share the name “YAMAMOTO AKIHIKO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HITACHI LTD
12 patentsUS4098623AJul 4, 1978
Method for heat treatment of titanium alloy
HITACHI LTD72 citations95
US5947709ASep 7, 1999
Scroll compressor with oiling mechanism
HITACHI LTD36 citations92
US5716202AFeb 10, 1998
Scroll compressor with oiling mechanism
HITACHI LTD36 citations92
US5069556ADec 3, 1991
Method for correcting drift of printing position and printing apparatus for practising the same
HITACHI LTD31 citations92
US5223052AJun 29, 1993
Method of treating surfaces of rotors of the screw type rotary machine
HITACHI LTD27 citations91
US5314321AMay 24, 1994
Screw-type rotary fluid machine including rotors having treated surfaces
HITACHI LTD39 citations90
US4854495AAug 8, 1989
Sealing structure, method of soldering and process for preparing sealing structure
HITACHI LTD42 citations89
US4699310AOct 13, 1987
Method of bonding alumina to metal
HITACHI LTD24 citations81
US4624403ANov 25, 1986
Method for bonding ceramics to metals
HITACHI LTD24 citations81
US6079963AJun 27, 2000
Displacement type compressor and method of forming coating film
HITACHI LTD6 citations74
US4850726AJul 25, 1989
Word processor provided with an automatic tabset means
HITACHI LTD9 citations71
US4872606AOct 10, 1989
Sealed structure and production method thereof
HITACHI LTD16 citations70
TSUDAKOMA IND CO LTD
4 patentsUS6470917B2Oct 29, 2002
Tack-in apparatus
TSUDAKOMA IND CO LTD8 citations74
US7069960B2Jul 4, 2006
Method of controlling pile fabric loom
TSUDAKOMA IND CO LTD2 citations57
US5406986AApr 18, 1995
Faulty weft separating apparatus in a rapier loom for multiple colors
TSUDAKOMA IND CO LTD4 citations54
US6968865B2Nov 29, 2005
Reed for weaving
TSUDAKOMA IND CO LTD0 citations42
MITSUI PETROCHEMICAL IND
3 patentsUS5412020AMay 2, 1995
Propylene polymer compositions
MITSUI PETROCHEMICAL IND95 citations94
US5756193AMay 26, 1998
Polyethylene resin composition for heavy-duty packaging bag and polyethylene resin film produced from the same
MITSUI PETROCHEMICAL IND36 citations90
US5567759AOct 22, 1996
Propylene polymer composition
MITSUI PETROCHEMICAL IND13 citations74