Inventor · disambiguated record
Yoshihumi Koyanagi
Also filed as: KOYANAGI YOSHIHUMI
1 granted patent·3 pending applications·40 citations·filing 2002–2019
47Inventor score
Top patents by PatentIndex Score
4 records- 0179US7066331B2Cubic cushioning material and production method thereofKASHIWARA SEITAI KK·Filed 2002·Granted Jun 27, 2006·40 cites·14 claims
- 0241US2022396409A1Expansion sheet body, package, and packaging methodKASHIWARA SEITAI CO LTD·Filed 2019·Application pending·0 cites
- 0340US2005175261A1Check valve and bag having the sameKASHIWARA SEITAI CO LTD·Filed 2005·Application pending·0 cites
- 0424US2005003121A1Air passage structure and air-filling cushioning material using the sameFiled 2004·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →