HK

Hiroshi Kurokawa

SC Sanyo Electric Co.: 12 patents #378 of 6,347Top 6%
IBM: 9 patents #11,918 of 70,183Top 20%
HI Hitachi: 8 patents #5,191 of 28,497Top 20%
Mitsubishi Electric: 6 patents #4,940 of 25,717Top 20%
IC Idemitsu Petrochemical Co.: 4 patents #94 of 578Top 20%
MO Moresco: 3 patents #5 of 41Top 15%
AK Asahi Kasei Kabushiki Kaisha: 2 patents #302 of 1,220Top 25%
JA Japan Science And Technology Agency: 2 patents #401 of 2,171Top 20%
OD Oki Data: 2 patents #320 of 635Top 55%
Ricoh Company: 2 patents #5,693 of 9,818Top 60%
DI Disco: 1 patents #384 of 708Top 55%
RE Resonac: 1 patents #191 of 474Top 45%
AC Asahi Kasei Medical Co.: 1 patents #51 of 127Top 45%
MC Mitsui Engineering & Shipbuilding Co.: 1 patents #166 of 496Top 35%
MD Mitsubisih Denki: 1 patents #26 of 381Top 7%
Overall (All Time): #47,072 of 4,157,543Top 2%
54
Patents All Time

Issued Patents All Time

Showing 51–54 of 54 patents

Patent #TitleCo-InventorsDate
4744957 Apparatus for removing volatile matters contained in polymers Shigehiro Imai, Hirokuni Mihara, Junichi Yoshida, Masao Omori 1988-05-17
4732924 Method for producing vinyl aromatic resin composition Eiichi Terada, Shigemi Kawazoe 1988-03-22
4562483 Transmission interruption signal detection system Sunji Kurokawa, Yuichi Saito 1985-12-31
4432620 Lens motor drive device in automatic focusing camera 1984-02-21