JM

John Madeira

TC The Gillette Company: 11 patents #128 of 1,479Top 9%
📍 Freetown, MA: #4 of 33 inventorsTop 15%
🗺 Massachusetts: #11,548 of 88,656 inventorsTop 15%
Overall (All Time): #456,485 of 4,157,543Top 15%
11
Patents All Time

Issued Patents All Time

Showing 1–11 of 11 patents

Patent #TitleCo-InventorsDate
10821619 Atomic layer deposition coatings on razor components Neville Sonnenberg 2020-11-03
9855665 Strengthened razor blade Krassimir Grigorov Marchev 2018-01-02
9598761 Strengthened razor blade Krassimir Grigorov Marchev 2017-03-21
9327416 Atomic layer deposition coatings on razor components Neville Sonnenberg 2016-05-03
9248579 Razors and razor cartridges Joseph Allan DePuydt, Steve S. Hahn, Krassimir Grigorov Marchev, Kenneth James Skrobis, Neville Sonnenberg 2016-02-02
9079321 Razor blades Oliver Claus, Joseph Allan DePuydt, Steve S. Hahn, Yongqing Ju, Krassimir Grigorov Marchev +3 more 2015-07-14
7966909 Process of forming a razor blade Arutiun P. Ehiasarian, Papken Hovsepian, Krassimir Grigorov Marchev, Neville Sonnenberg 2011-06-28
5669144 Razor blade technology Steve S. Hahn, Chong-ping Peter Chou, Lamar E. Brooks 1997-09-23
5497550 Shaving system Robert A. Trotta, Steve S. Hahn, Chong-ping Peter Chou, Lamar E. Brooks 1996-03-12
5295305 Razor blade technology Steve S. Hahn 1994-03-22
5232568 Razor technology C. Robert Parent, Steve S. Hahn 1993-08-03