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USPTO Patent Rankings Data through Sept 30, 2025
MA

Maya Arai — 1 Patent

Hitachi: 1 patents #17,742 of 28,497Top 65%
Ibaraki, JP: #4,343 of 6,779 inventorsTop 65%
Overall (All Time): #3,861,770 of 4,157,543Top 95%
1 Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5157414 Thick film type thermal head and thermal recording device Taisaku Seino, Michihiro Watanabe, Munetoshi Zen, Kazutaka Sato, Shigeru Obata +2 more 1992-10-20