II

Isao Ishikawa

HI Hitachi: 19 patents #1,906 of 28,497Top 7%
HC Hitachi Construction Machinery Co.: 5 patents #242 of 1,234Top 20%
SI Sanyo Chemical Industries: 4 patents #54 of 607Top 9%
SK Showa Denko K.K.: 3 patents #463 of 1,736Top 30%
UN Unknown: 3 patents #7,366 of 83,584Top 9%
ZG Zexel Gmbh: 2 patents #110 of 348Top 35%
CE Cellseed: 1 patents #8 of 36Top 25%
TO Toyota: 1 patents #15,335 of 26,838Top 60%
GE Geneial: 1 patents #76 of 188Top 45%
HM Hitachi Medical: 1 patents #371 of 680Top 55%
NS Nippon Sanso: 1 patents #107 of 243Top 45%
NP Nippon Telegraph And Telephone Public: 1 patents #297 of 842Top 40%
SD Showa Denko: 1 patents #231 of 593Top 40%
Overall (All Time): #98,446 of 4,157,543Top 3%
35
Patents All Time

Issued Patents All Time

Showing 26–35 of 35 patents

Patent #TitleCo-InventorsDate
4511998 Multielement acoustic transducer as well as a method of manufacturing the same and an acoustic imaging instrument Hiroshi Kanda, Toshio Kondo 1985-04-16
4487069 Method of image display by ultrasonic microscope Hiroshi Kanda 1984-12-11
4446738 Acoustic scanning microscope Hiroshi Kanda, Kageyoshi Katakura 1984-05-08
4433461 Method of manufacturing an acoustic spherical lens Hiroshi Kanda, Toshio Kondo 1984-02-28
4394824 Acoustic microscope Hiroshi Kanda, Toshio Kondo, Kageyoshi Katakura 1983-07-26
4386530 Ultrasonic imaging equipment Hiroshi Kanda, Toshio Kondo 1983-06-07
4384231 Piezoelectric acoustic transducer with spherical lens Hiroshi Kanda, Toshio Kondo 1983-05-17
4346472 Method and apparatus for eliminating double bit errosion in a differential phase shift keying system Seiei Ohkoshi, Teiji Okamoto, Nobuo Tsukamoto 1982-08-24
4345156 Ionization chamber type X-ray detector Hiroshi Kanda, Shinji Yamamoto 1982-08-17
4219730 Charge-particle energy analyzer Yoshitaka Goto, Michiyasu Itoh 1980-08-26