Inventor · Oyama, JP

Tetsuji Ohno

20Patents
8h-index
47Co-inventors
75Inventor score

Filing activity: Mar 20, 1986 → Mar 14, 2013

Most-cited inventions

PatentTitleAreaCited byStatus
US5068236A Xanthine derivatives Chemistry; Metallurgy 40 Expired
US5290782A Xanthine derivatives Chemistry; Metallurgy 30 Expired
US5378701A Tricyclic compounds Chemistry; Metallurgy 24 Expired
US5270316A Condensed purine derivatives Chemistry; Metallurgy 23 Expired
US5607955A Tricyclic compounds on angiotensin II receptor antagonists Chemistry; Metallurgy 19 Expired
US5478840A Tricyclic compounds Chemistry; Metallurgy 19 Expired
US4668683A Cardiotonic quinazoline derivatives Chemistry; Metallurgy 8 Expired
US5525607A Xanthine compounds Chemistry; Metallurgy 8 Expired
US7718808B2 Thiazole derivatives Chemistry; Metallurgy 7 Active
US5698560A Imidazoquinazoline derivatives Chemistry; Metallurgy 5 Expired
US5173492A s-Triazolo(3,4-I)purine derivatives Chemistry; Metallurgy 5 Expired
US5661147A Imidazoquinazoline derivatives Chemistry; Metallurgy 4 Expired
US6127541A Imidazoquinazoline derivatives Chemistry; Metallurgy 3 Expired
US8420827B2 Thiazole derivatives Chemistry; Metallurgy 2 Active
US5631222A Endothelin-antagonizing peptide Human Necessities 1 Expired
US5063227A Quinazoline-substituted pyridazinone derivatives having cardiotonic activity Chemistry; Metallurgy 1 Expired
US7122173B2 Agent for the treatment of bladder irritative symptoms accompanied by benign prostatic hyperplasia Human Necessities 1 Expired
US7276532B2 Remedies for vesical hyperactivity Chemistry; Metallurgy 0 Expired
US8889718B2 Thiazole derivatives Chemistry; Metallurgy 0 Active
US7354949B2 Therapeutic agent for bladder irritative symptoms associated with benign prostatic hyperplasia Human Necessities 0 Expired

Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.