Inventor · disambiguated record
Masaru Maruyama
Also filed as: MARUYAMA MASARU
8 granted patents·3 pending applications·385 citations·filing 1985–2014
89Inventor score
Files withHAKKO ELECTRIC MACHINE WORKS C5HAKKO CO2BHI INC1HAKKO ELECTRIC MACHINE WORKS1MARUYAMA MASARU1
Top patents by PatentIndex Score
11 records- 0169US4846799ASet of double needles for injecting liquid medicineHAKKO ELECTRIC MACHINE WORKS C·Filed 1987·Granted Jul 11, 1989·123 cites·5 claims
- 0264US4643196ABiopsy needle setHAKKO ELECTRIC MACHINE WORKS·Filed 1985·Granted Feb 17, 1987·95 cites·8 claims
- 0361US5026350ASet of double needles for injecting liquid medicineHAKKO ELECTRIC MACHINE WORKS C·Filed 1989·Granted Jun 25, 1991·90 cites·8 claims
- 0455USD775646SDisplay screen or portion thereof with animated graphical user interfaceBHI INC·Filed 2014·Granted Jan 3, 2017·13 cites·1 claims
- 0552US2014180104A1Ultrasonic piercing needleHAKKO CO·Filed 2014·Application pending·0 cites
- 0648US2009137906A1Ultrasonic Piercing NeedleHAKKO CO·Filed 2005·Application pending·0 cites
- 0747US2012117807A1Ultrasonic piercing needleMARUYAMA MASARU·Filed 2011·Application pending·0 cites
- 0845US6471711B2Device for guiding puncture needleHAKKO ELECTRIC MACHINE WORKS C·Filed 2001·Granted Oct 29, 2002·6 cites·10 claims
- 0944US5796043AHigh-tension cableYAZAKI CORP·Filed 1997·Granted Aug 18, 1998·9 cites·4 claims
- 1044US5505211ABiopsy needlesHAKKO ELECTRIC MACHINE WORKS C·Filed 1994·Granted Apr 9, 1996·43 cites·3 claims
- 1129US5209239AApparatus for cystographic inspectionHAKKO ELECTRIC MACHINE WORKS C·Filed 1990·Granted May 11, 1993·6 cites·8 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →