Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025
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Hidefumi SAEKI — 13 Patents

Panasonic: 12 patents #2,079 of 21,108Top 10%
Sumitomo Electric Industries: 1 patents #13,249 of 21,551Top 65%
Overall (All Time): #371,192 of 4,157,543Top 9%
13 Patents All Time

Issued Patents All Time

Showing 1–13 of 13 patents

Patent #TitleCo-InventorsDate
11688641 Element chip isolation method using laser grooving and plasma etching Hidehiko Karasaki, Shogo Okita, Atsushi Harikai, Akihiro Itou 2023-06-27
11551974 Manufacturing process of element chip using laser grooving and plasma-etching Atsushi Harikai, Shogo Okita 2023-01-10
11219929 Element chip cleaning method, element chip cleaning apparatus, and element chip manufacturing method Akihiro Itou, Atsushi Harikai, Toshiyuki TAKASAKI, Shogo Okita 2022-01-11
11145548 Manufacturing process of element chip using laser grooving and plasma-etching Atsushi Harikai, Shogo Okita 2021-10-12
10964597 Element chip manufacturing method Atsushi Harikai, Shogo Okita, Noriyuki Matsubara, Akihiro Itou 2021-03-30
10896849 Method of dicing a semiconductor wafer using a protective film formed by coating a mixture of water-soluble resin and organic solvent Hidehiko Karasaki, Shogo Okita, Noriyuki Matsubara 2021-01-19
10892190 Manufacturing process of element chip Shogo Okita, Atsushi Harikai, Noriyuki Matsubara, Akihiro Itou 2021-01-12
10843294 Laser processing apparatus Hidehiko Karasaki 2020-11-24
10796960 Manufacturing process of element chip Atsushi Harikai 2020-10-06
10607846 Method of manufacturing element chip Hidehiko Karasaki, Noriyuki Matsubara, Atsushi Harikai 2020-03-31
10410924 Manufacturing process of element chip Hidehiko Karasaki, Atsushi Harikai 2019-09-10
10147646 Manufacturing process of element chip Hidehiko Karasaki, Atsushi Harikai 2018-12-04
7102097 Method of making hole in ceramic green sheet Ryuichi Saito, Michihisa Sanda, Hidenori Katsumura 2006-09-05