Inventor · disambiguated record
Hisanobu Niwa
Also filed as: NIWA HISANOBU
7 granted patents·1 pending application·162 citations·filing 1989–2007
88Inventor score
Technology areasF16C
Top patents by PatentIndex Score
8 records- 0188USD318713SCombined pressure regulator and filterCKD CORP·Filed 1989·Granted Jul 30, 1991·36 cites·1 claims
- 0284USD317315SLubricatorCKD CORP·Filed 1989·Granted Jun 4, 1991·24 cites·1 claims
- 0381USD317494SPressure regulatorCKD CORP·Filed 1989·Granted Jun 11, 1991·22 cites·1 claims
- 0481USD317346SFilterCKD CORP·Filed 1989·Granted Jun 4, 1991·20 cites·1 claims
- 0579USD329434SCombined rodless fluid pressure cylinder and switch installationsTOYODA SHIGEHIRO·Filed 1989·Granted Sep 15, 1992·23 cites·1 claims
- 0677USD317922SRodless cylinderCKD KK CKD CORPORATION·Filed 1989·Granted Jul 2, 1991·21 cites·1 claims
- 0775USD317644SCombined pressure regulator filter and lubricatorCKD CORP·Filed 1989·Granted Jun 18, 1991·16 cites·1 claims
- 0847US2008122151A1Levitation unit with a tilting function and levitation deviceCKD CORP·Filed 2007·Application pending·0 cites
Join the waitlist — get patent alerts
Get an alert when Hisanobu Niwa files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →