Inventor · disambiguated record
Masahiko Ishiyama
Also filed as: ISHIYAMA MASAHIKO
2 granted patents·2 pending applications·19 citations·filing 1974–2019
55Inventor score
Top patents by PatentIndex Score
4 records- 0176US3950174AElectrically insulating coating glassASAHI GLASS CO LTD·Filed 1974·Granted Apr 13, 1976·18 cites·6 claims
- 0241US8904896B2Gear deviceOHNO MASAO·Filed 2010·Granted Dec 9, 2014·1 cites·14 claims
- 0338US2021189687A1Rotary drive system and hydraulic excavatorKOMATSU MFG CO LTD·Filed 2018·Application pending·0 cites
- 0437US2020284310A1Speed reducer, rotary drive system, and hydraulic shovelKOMATSU MFG CO LTD·Filed 2019·Application pending·0 cites
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →