YI

Yuichi Ichikawa

ND Ntt Docomo: 7 patents #371 of 1,706Top 25%
MI Mitutoyo: 6 patents #168 of 721Top 25%
PE Pentax: 5 patents #279 of 761Top 40%
Casio Computer Co.: 3 patents #744 of 1,970Top 40%
MP Mitsubishi Power: 2 patents #85 of 508Top 20%
PC Pentax Ricoh Imaging Company: 1 patents #41 of 74Top 60%
AK Aisan Kogyo Kabushiki Kaisha: 1 patents #344 of 642Top 55%
SC Sanyo Electric Co.: 1 patents #3,644 of 6,347Top 60%
AK Asahi Kogaku Kogyo K.K.: 1 patents #76 of 180Top 45%
HO Hoya: 1 patents #757 of 1,290Top 60%
KS Kabushiki Kaisha Sanyo Denki Seisakusho: 1 patents #5 of 20Top 25%
NI Nikon: 1 patents #1,647 of 2,493Top 70%
Overall (All Time): #122,709 of 4,157,543Top 3%
30
Patents All Time

Issued Patents All Time

Showing 26–30 of 30 patents

Patent #TitleCo-InventorsDate
5452034 Regulated parallax compensation system for a camera finder Masahiro Hayakawa 1995-09-19
5386259 Coordinating mechanism for picture image area and field frame size adjusting apparatus of camera Kosei Kosako 1995-01-31
5305041 Remotely controllable camera system Masahiro Hayakawa, Kosei Kosako 1994-04-19
5281045 Movable member positioning mechanism 1994-01-25
4918407 Oscillation circuit 1990-04-17