Inventor · disambiguated record
Toshifumi Ohtsubo
Also filed as: OHTSUBO TOSHIFUMI
6 granted patents·186 citations·filing 1994–2024
81Inventor score
Top patents by PatentIndex Score
6 records- 0195US10987255B2Stretchable and contractible sheet and absorbent articleUNICHARM CORP·Filed 2020·Granted Apr 27, 2021·7 cites·18 claims
- 0291US10980678B2Stretchable and contractible sheet and absorbent articleUNICHARM CORP·Filed 2020·Granted Apr 20, 2021·3 cites·15 claims
- 0391US5626574ADisposable diaperUNI CHARM CORP·Filed 1994·Granted May 6, 1997·88 cites·6 claims
- 0462US5891124ADisposable training pantsUNI CHARM CORP·Filed 1996·Granted Apr 6, 1999·88 cites·10 claims
- 0559US12186171B2Elastic sheet, underpants-type absorbent article, and method for manufacturing elastic sheetUNICHARM CORP·Filed 2024·Granted Jan 7, 2025·0 cites·16 claims
- 0643US11744745B2Absorbent article and method and apparatus for manufacturing absorbent articleUNICHARM CORP·Filed 2020·Granted Sep 5, 2023·0 cites·7 claims
Join the waitlist — get patent alerts
Get an alert when Toshifumi Ohtsubo 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 →