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HIRAI YUJI

Overview
  • Total Patents
    11
About

HIRAI YUJI has a total of 11 patent applications. Its first patent ever was published in 1993. It filed its patents most often in Japan and United States. Its main competitors in its focus markets medical technology, semiconductors and machines are E MED CO LTD, ORSZULAK JAMES H and DIETZ TIMOTHY G.

Patent filings in countries

World map showing HIRAI YUJIs patent filings in countries
# Country Total Patents
#1 Japan 7
#2 United States 4

Patent filings per year

Chart showing HIRAI YUJIs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Hirai Yuji 11
#2 Kawamura Muneo 7
#3 Koshigoe Machiko 2
#4 Yamada Masashi 2
#5 Minagawa Takaharu 1
#6 Okido Sadao 1

Latest patents

Publication Filing date Title
US2009299395A1 Ultrasonic vibration apparatus
US2009275864A1 Surgical operating apparatus
US2009248050A1 Ultrasonic operating apparatus
JPH0873363A Preparation of pharmaceutical agent composed of eel bile as main active component
JPH0870773A Promotion of coffee bean aging
JPH0870765A Quality maintenance for fresh radish shortly immersed in salt and malt
JPH0856523A Method for breeding fishes without changing water
JPH07331277A Extraction of purified fats and oils
JPH07255391A Propolis gel or extraction of propolis
JPH0768269A Removal treatment of organic matter in liquid