Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025
MD

Masato Doi

Sony: 83 patents #171 of 25,231Top 1%
Rohm Co.: 9 patents #331 of 2,292Top 15%
KOKonica: 8 patents #304 of 1,958Top 20%
ICIdemitsu Petrochemical Co.: 2 patents #182 of 578Top 35%
ILIsuzu Motors Limited: 2 patents #255 of 908Top 30%
KMKonica Minolta: 1 patents #1,862 of 2,718Top 70%
Overall (All Time): #13,212 of 4,157,543Top 1%
105 Patents All Time

Issued Patents All Time

Showing 101–105 of 105 patents

Patent #TitleCo-InventorsDate
5568463 Semiconductor laser device to detect a divided reflected light beam Kenji Sahara, Hironobu Narui, Osamu Matsuda 1996-10-22
5450055 Method of making chip resistors 1995-09-12
5438583 Semiconductor laser with optimum resonator Hironobu Narui, Kenji Sahara, Osamu Matsuda 1995-08-01
5292389 Process for producing nonwoven fabric Issei Tsuji, Hideki Harada 1994-03-08
4472343 Tubular film process Shinji Kawamura 1984-09-18