Inventor
OHNO TETSUJI
JP24 patents
⚠️ This page may combine multiple inventors who share the name “OHNO TETSUJI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
KYOWA HAKKO KOGYO KK
16 patentsUS5290782AMar 1, 1994
Xanthine derivatives
KYOWA HAKKO KOGYO KK57 citations96
US5270316ADec 14, 1993
Condensed purine derivatives
KYOWA HAKKO KOGYO KK37 citations93
US5607955AMar 4, 1997
Tricyclic compounds on angiotensin II receptor antagonists
KYOWA HAKKO KOGYO KK28 citations92
US5478840ADec 26, 1995
Tricyclic compounds
KYOWA HAKKO KOGYO KK26 citations92
US5378701AJan 3, 1995
Tricyclic compounds
KYOWA HAKKO KOGYO KK36 citations92
US5068236ANov 26, 1991
Xanthine derivatives
KYOWA HAKKO KOGYO KK46 citations92
US5698560ADec 16, 1997
Imidazoquinazoline derivatives
KYOWA HAKKO KOGYO KK23 citations91
US5661147AAug 26, 1997
Imidazoquinazoline derivatives
KYOWA HAKKO KOGYO KK20 citations83
US5525607AJun 11, 1996
Xanthine compounds
KYOWA HAKKO KOGYO KK17 citations82
US4668683AMay 26, 1987
Cardiotonic quinazoline derivatives
KYOWA HAKKO KOGYO KK11 citations74
US6127541AOct 3, 2000
Imidazoquinazoline derivatives
KYOWA HAKKO KOGYO KK10 citations73
US5631222AMay 20, 1997
Endothelin-antagonizing peptide
KYOWA HAKKO KOGYO KK3 citations63
US5063227ANov 5, 1991
Quinazoline-substituted pyridazinone derivatives having cardiotonic activity
KYOWA HAKKO KOGYO KK3 citations63
US5173492ADec 22, 1992
s-Triazolo(3,4-I)purine derivatives
KYOWA HAKKO KOGYO KK6 citations61
US7354949B2Apr 8, 2008
Therapeutic agent for bladder irritative symptoms associated with benign prostatic hyperplasia
KYOWA HAKKO KOGYO KK0 citations49
US7276532B2Oct 2, 2007
Remedies for vesical hyperactivity
KYOWA HAKKO KOGYO KK0 citations49
HITACHI LTD
3 patentsUS6101532AAug 8, 2000
Electronic conference system
HITACHI LTD66 citations94
US6094675AJul 25, 2000
Electronic discussion system for exchanging information among users
HITACHI LTD75 citations93
US6594652B1Jul 15, 2003
Electronic discussion system for exchanging information among users creating opinion indexes in accordance with content of each options
HITACHI LTD22 citations90