Koichi Akiyama

SE Seiko Epson: 139 patents #12 of 7,774Top 1%

Mitsubishi Electric: 28 patents #534 of 25,717Top 3%

KC Kowa Company: 12 patents #30 of 562Top 6%

TI Takeda Chemical Industries: 8 patents #152 of 1,420Top 15%

MC Mitsubishi Chemical: 4 patents #463 of 3,022Top 20%

Nissan Motor Co.: 3 patents #2,303 of 8,689Top 30%

TO Toyota: 3 patents #8,352 of 26,838Top 35%

HC Hirose Electric Co.: 3 patents #115 of 407Top 30%

ME Mitsubishi Electric: 2 patents #243 of 959Top 30%

HI Hitachi: 2 patents #13,388 of 28,497Top 50%

NE Nec: 2 patents #5,510 of 14,502Top 40%

TK Toshiba Tec Kabushiki Kaisha: 2 patents #886 of 1,664Top 55%

FI Fujifilm Business Innovation: 1 patents #3,579 of 5,238Top 70%

Honda Motor Co.: 1 patents #12,035 of 21,052Top 60%

KT Kabushiki Kaisha Toshiba: 1 patents #13,537 of 21,451Top 65%

MC Mitsui Takeda Chemicals: 1 patents #15 of 41Top 40%

RC Ricoh Imaging Company: 1 patents #35 of 67Top 55%

AA Autoliv Development Ab: 1 patents #518 of 1,363Top 40%

Overall (All Time): #3,135 of 4,157,543Top 1%

206

Patents All Time

Issued Patents All Time

Showing 201–206 of 206 patents

Patent #	Title	Co-Inventors	Date
5017008	Particle measuring apparatus	—	1991-05-21
5013146	Opthalmological measurement apparatus	—	1991-05-07
5000562	Ophthalmic disease detection method and apparatus	Tadashi Ichihashi	1991-03-19
D314942	Electrical connector housing	Kensaku Sato	1991-02-26
4988184	Ophthalmic disease detection apparatus	—	1991-01-29
4900145	Ophthalmic disease detection apparatus	—	1990-02-13