Inventor · disambiguated record
Toshikazu Sasaki
Also filed as: SASAKI TOSHIKAZU
4 granted patents·5 citations·filing 1994–2023
61Inventor score
Top patents by PatentIndex Score
4 records- 0176US11090969B2Mechanical pencilKOTOBUKI & CO LTD·Filed 2019·Granted Aug 17, 2021·1 cites·17 claims
- 0268US12090777B2Writing instrument refills and writing instrumentKOTOBUKI & CO LTD·Filed 2023·Granted Sep 17, 2024·0 cites·14 claims
- 0336US5662984AMagnetic recording mediumSONY CORP·Filed 1994·Granted Sep 2, 1997·4 cites·7 claims
- 0430USD1057017SRefill for a ball-point pencilKOTOBUKI & CO LTD·Filed 2022·Granted Jan 7, 2025·0 cites·1 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →