KO

Keiichi Okada

FI Fujifilm Business Innovation: 8 patents #1,176 of 5,238Top 25%
IBM: 4 patents #21,733 of 70,183Top 35%
Sharp Kabushiki Kaisha: 3 patents #4,164 of 10,731Top 40%
WT Western Digital Technologies: 3 patents #968 of 3,180Top 35%
MC Murata Manufacturing Co.: 1 patents #3,462 of 5,295Top 70%
NC Nippon Light Metal Company: 1 patents #203 of 499Top 45%
MC Minolta Co.: 1 patents #942 of 1,416Top 70%
Overall (All Time): #214,284 of 4,157,543Top 6%
20
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
12249350 Methods for improving track density in dual-reel removable tape devices and fixed tape devices Takehiko Hamaguchi, Akira Sakagami 2025-03-11
12106772 Methods for increasing storage capacity and improving performance in dual-reel removable tape devices and fixed tape devices Akira Sakagami, Takehiko Hamaguchi 2024-10-01
11990154 Seek time to the beginning position of data on tape media Akira Sakagami, Takehiko Hamaguchi 2024-05-21
9360802 Image forming apparatus Hiroko Furukata, Yasutaka Goto, Yuki Kubota, Takuya Kobayashi, Satoshi Tanaka +2 more 2016-06-07
9250554 Image processing apparatus, image processing method, and non-transitory computer readable medium Yosuke Tashiro, Masahiko Kubo, Jun Koyatsu 2016-02-02
9201338 Image forming apparatus, non-transitory computer readable medium, and image forming method Masahiko Kubo, Jun Koyatsu, Yosuke Tashiro 2015-12-01
8736909 Image forming apparatus and computer readable medium Noribumi Sato, Mitsuru Iioka, Jun Koyatsu, Kaoru Yamauchi 2014-05-27
8711434 Image processing device, image forming apparatus, and non-transitory computer readable recording medium Mitsuru Iioka, Noribumi Sato, Jun Koyatsu, Kaoru Yamauchi, Hatsuho AJIMA 2014-04-29
8699083 Image processing device, image forming device, and computer-readable medium Kaoru Yamauchi, Noribumi Sato, Mitsuru Iioka, Jun Koyatsu, Hatsuho AJIMA 2014-04-15
8659796 Image forming apparatus and image forming program Mitsuru Iioka, Noribumi Sato, Jun Koyatsu, Kaoru Yamauchi 2014-02-25
8358444 Image forming apparatus capable of printing a copy-forgery pattern Mitsuru Iioka, Noribumi Sato, Jun Koyatsu, Kaoru Yamauchi 2013-01-22
RE36864 Optical disk drive and methods for counting the number of tracks on an optical disk Naoyuki Kagami, Hiroaki Kubo 2000-09-12
5693933 Device for dtecting the size of an original document in a document reader Akira Takasu, Tatsuya Eguchi, Shinya Kawanishi, Kouichi Furuta 1997-12-02
5519483 Detection system and detection method of document size for use in a document reader Shinya Kawanishi, Kouichi Furuta 1996-05-21
5488468 Optical distance measuring apparatus having semiconductor position sensitive photodetector Shinya Kawanishi, Kouichi Furuta 1996-01-30
5384762 Focusing servo in an optical disk drive Naoyuki Kagami, Hiroaki Kubo 1995-01-24
5350007 Injection apparatus for a hot-chamber die-cast machine Isao Miki, Hisao Isogai, Masao Saito, Toru Yamanashi, Toshiyuki Kawai +3 more 1994-09-27
5261986 Method of fabricating ceramic laminated electronic component Shoichi Kawabata, Hiromichi Wakatsuki, Norio Sakai 1993-11-16
5255253 Apparatus and method for controlling the velocity of a disk storage head Naoyuki Kagami, Hiroaki Kubo, Makoto Takekoshi 1993-10-19
5199017 Optical disk drive and method for counting the number of tracks on an optical disk Naoyuki Kagami, Hiroaki Kubo 1993-03-30