HI

Hiroyuki Iwasaki

NI Nikon: 47 patents #48 of 2,493Top 2%
Fujitsu Limited: 13 patents #2,362 of 24,456Top 10%
Ricoh Company: 11 patents #2,054 of 9,818Top 25%
Honda Motor Co.: 7 patents #3,151 of 21,052Top 15%
NI Ngk Insulators: 6 patents #500 of 2,083Top 25%
SO Sony: 4 patents #8,966 of 25,231Top 40%
FU Fujifilm: 3 patents #1,989 of 4,519Top 45%
KT Kabushiki Kaisha Toshiba: 2 patents #9,982 of 21,451Top 50%
UN Unknown: 2 patents #12,644 of 83,584Top 20%
NE Nec: 2 patents #5,510 of 14,502Top 40%
KE Keihin: 2 patents #128 of 596Top 25%
TO Tonen: 2 patents #77 of 264Top 30%
FC Fuji Photo Optical Co.: 1 patents #305 of 509Top 60%
TK Toa Nenryo Kogyo: 1 patents #121 of 220Top 60%
TK Tonengeneral Sekiyu K.K.: 1 patents #6 of 32Top 20%
Overall (All Time): #15,369 of 4,157,543Top 1%
97
Patents All Time

Issued Patents All Time

Showing 51–75 of 97 patents

Patent #TitleCo-InventorsDate
5742852 Photometry system Tadao Takagi, Masaru Muramatsu 1998-04-21
5740481 Exposure calculation device for camera Tadao Takagi 1998-04-14
5721645 Optical instrument with movable lens barrel Yasuhiko Tanaka 1998-02-24
5717459 Solid state imager device having A/D converter Yasuhito Maki, Tetsuro Goto, Tadao Takagi 1998-02-10
5717965 Photometry device and camera with photometry device 1998-02-10
5706576 Parts mounter cartridge structure and parts mounter managing system Mitsushi Sonoda, Hiroyuki Takenaka 1998-01-13
5701526 Photometry apparatus 1997-12-23
5687407 Exposure calculation device for camera Tadao Takagi 1997-11-11
5642162 Charge transfer device having a signal processing circuit for correcting output voltage Yasuhito Maki, Maki Sato, Tadakuni Narabu, Tadao Takagi, Tetsuro Goto 1997-06-24
5640235 Photometric device and method 1997-06-17
5627620 Photometry device and method 1997-05-06
5604584 Photometry device with correction for temperature change 1997-02-18
5581294 Serial thermal printing method Masatsugu Fujii 1996-12-03
5576799 Camera photometry system 1996-11-19
5576800 Camera having an auxiliary photographing function Tadao Takagi 1996-11-19
5526092 Photometric control device for camera 1996-06-11
5521673 Photometric apparatus of a camera 1996-05-28
5515600 Parts mounter and cartridge structure Mitsushi Sonoda, Hiroyuki Takenaka 1996-05-14
5515132 Photometric control device for camera 1996-05-07
5497215 Camera photometry system 1996-03-05
5489964 Camera Masaru Muramatsu, Tadao Takagi 1996-02-06
5475466 Camera having target follow up function Tadao Takagi 1995-12-12
5473155 Photometric sensor Tadao Takagi, Tetsuro Goto, Yasuhito Maki 1995-12-05
5461452 Exposure calculating apparatus 1995-10-24
5450163 Photometric device for camera 1995-09-12