KH

Ken Hirunuma

PE Pentax: 16 patents #119 of 761Top 20%
PE Pentax: 16 patents #18 of 396Top 5%
HO Hoya: 5 patents #232 of 1,290Top 20%
PC Pentax Ricoh Imaging Company: 1 patents #41 of 74Top 60%
Overall (All Time): #87,059 of 4,157,543Top 3%
38
Patents All Time

Issued Patents All Time

Showing 26–38 of 38 patents

Patent #TitleCo-InventorsDate
6252713 Optical device provided with correcting function for trembling of focused image Shinji Tsukamoto 2001-06-26
6225613 Optical device provided with correcting function for trembling of focused image with a stop of power supply to the device Shinji Tsukamoto 2001-05-01
6208464 Tremble preventing device Shinji Tsukamoto 2001-03-27
6108134 Viewing optical instrument having an image stabilizer Shinji Tsukamoto 2000-08-22
6078436 Mechanism correcting a trembling of focused image Shinji Tsukamoto, Shigeo Enomoto 2000-06-20
6067195 Binoculars having hand-vibration compensation system Shinji Tsukamoto, Moriyasu Kanai, Tetsuo Sekiguchi 2000-05-23
6057962 Observation optical system having hand-vibration compensation system Shinji Tsukamoto, Tetsuo Sekiguchi, Moriyasu Kanai 2000-05-02
6057963 Binocular having hand-vibration compensation system Shinji Tsukamoto, Moriyasu Kanai 2000-05-02
6043934 Observing equipment having hand-vibration compensation system Shinji Tsukamoto, Tetsuo Sekiguchi, Moriyasu Kanai 2000-03-28
6038072 Binocular having hand-vibration compensation system Shinji Tsukamoto, Moriyasu Kanai 2000-03-14
6018420 Binocular having hand-vibration compensation system Shinji Tsukamoto, Moriyasu Kanai 2000-01-25
5995762 Lens driving mechanism Shigeo Enomoto, Shinji Tsukamoto 1999-11-30
5886777 Electronic distance measuring device 1999-03-23