Inventor
TAKAGI HIROYOSHI
JP15 patents
⚠️ This page may combine multiple inventors who share the name “TAKAGI HIROYOSHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HITACHI MAXELL
9 patentsUS7027385B1Apr 11, 2006
Optical disk, disk substrate, and drive
HITACHI MAXELL30 citations92
US5725819AMar 10, 1998
Injection molding method for board for IC card
HITACHI MAXELL27 citations90
US4556153ADec 3, 1985
Magnetic recording tape cartridge
HITACHI MAXELL30 citations90
US4553717ANov 19, 1985
Recording tape cartridge
HITACHI MAXELL25 citations81
US4447020AMay 8, 1984
Magnetic recording tape cartridge
HITACHI MAXELL22 citations75
US4463918AAug 7, 1984
Magnetic recording tape cartridge
HITACHI MAXELL10 citations73
US6191366B1Feb 20, 2001
Board for IC card having component mounting recess
HITACHI MAXELL11 citations71
USD435854SJan 2, 2001
Disc cartridge
HITACHI MAXELL3 citations61
US4741496AMay 3, 1988
Tape cartridge
HITACHI MAXELL3 citations56
AGENCY IND SCIENCE TECHN
5 patentsUS5338713AAug 16, 1994
Sintered body of alumina and partially stabilized zirconia, a process for making the same and a method of preparing a powder for sintering
AGENCY IND SCIENCE TECHN25 citations90
US4367292AJan 4, 1983
Method for manufacture of powder composition for cordierite
AGENCY IND SCIENCE TECHN25 citations79
US5177033AJan 5, 1993
Sintered body of light transmitting cordierite and a method of preparing the same
AGENCY IND SCIENCE TECHN4 citations60
US4084979AApr 18, 1978
Magnesia ceramic for insulation of high-frequency electricity
AGENCY IND SCIENCE TECHN5 citations60
US5002912AMar 26, 1991
Oxide sintered product
AGENCY IND SCIENCE TECHN0 citations51