Inventor · name-matched record
KOBAYASHI KEI
3 granted patents·1 pending application·0 citations·filing 2021–2025
39Inventor score
This identity is grouped by exact name match (no disambiguated inventor record was available for these filings) — it may combine same-named inventors.
Top patents by PatentIndex Score
4 records- 0181US2026042742A1Photochromic compound, photochromic composition, photochromic article and eyeglassesHOYA LENS THAILAND LTD·Filed 2025·Application pending·0 cites
- 0266US12572064B2Optical article and method for producing optical articleHOYA LENS THAILAND LTD·Filed 2022·Granted Mar 10, 2026·0 cites·7 claims
- 0356US12577455B2Photochromic compound, photochromic composition, photochromic article and spectaclesHOYA LENS THAILAND LTD·Filed 2023·Granted Mar 17, 2026·0 cites·16 claims
- 0448US12519335B2Secondary battery systemSANYO ELECTRIC CO·Filed 2021·Granted Jan 6, 2026·0 cites·2 claims
Join the waitlist — get patent alerts
Get an alert when KOBAYASHI KEI files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: exact name match across USPTO filings. How scoring works →