Inventor · disambiguated record
Akitoshi Nakagawa
Also filed as: NAKAGAWA AKITOSHI
7 granted patents·4 citations·filing 2021–2023
72Inventor score
Files withMEIDENSHA ELECTRIC MFG CO LTD7
Top patents by PatentIndex Score
7 records- 0190US11872529B2Bubble generation device and liquid filtration deviceMEIDENSHA ELECTRIC MFG CO LTD·Filed 2021·Granted Jan 16, 2024·2 cites·9 claims
- 0289US11707716B2Connection structure and membrane filtration deviceMEIDENSHA ELECTRIC MFG CO LTD·Filed 2021·Granted Jul 25, 2023·2 cites·10 claims
- 0364US12311319B2Filtration membrane unit, holder holding same, filtration system including filtration membrane unit and holder, and filtration treatment apparatus including plurality of filtration systemsMEIDENSHA ELECTRIC MFG CO LTD·Filed 2023·Granted May 27, 2025·0 cites·6 claims
- 0463US12409419B2Bubble generation device and liquid filtration deviceMEIDENSHA ELECTRIC MFG CO LTD·Filed 2023·Granted Sep 9, 2025·0 cites·14 claims
- 0554US12440811B2Bubble generation device and liquid filtration deviceMEIDENSHA ELECTRIC MFG CO LTD·Filed 2021·Granted Oct 14, 2025·0 cites·10 claims
- 0626USD1077980SWater collecting pipe for filtering deviceMEIDENSHA ELECTRIC MFG CO LTD·Filed 2021·Granted Jun 3, 2025·0 cites·1 claims
- 0725USD1069031SWater collecting header for filtering deviceMEIDENSHA ELECTRIC MFG CO LTD·Filed 2021·Granted Apr 1, 2025·0 cites·1 claims
Join the waitlist — get patent alerts
Get an alert when Akitoshi Nakagawa 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 →