YA

Yasunori Arai

PE Pentax: 27 patents #51 of 761Top 7%
NA Nakamichi: 5 patents #7 of 56Top 15%
Honda Motor Co.: 4 patents #5,328 of 21,052Top 30%
KT Kabushiki Kaisha Toshiba: 3 patents #8,011 of 21,451Top 40%
FL Fujitsu Mobile Communications Limited: 1 patents #17 of 77Top 25%
Kioxia: 1 patents #1,054 of 1,813Top 60%
AK Asahi Kogaku Kogyo K.K.: 1 patents #76 of 180Top 45%
SC Showa Yakuhin Kako Co.: 1 patents #23 of 52Top 45%
📍 Asaka, JP: #13 of 378 inventorsTop 4%
Overall (All Time): #67,714 of 4,157,543Top 2%
44
Patents All Time

Issued Patents All Time

Showing 1–25 of 44 patents

Patent #TitleCo-InventorsDate
11694750 Memory system, memory device, and control method of memory system for generating information from a threshold voltage Norio Aoyama 2023-07-04
8503864 Encoded data recording apparatus and mobile terminal Seiji Oura, Yuichi Sato, Osamu Yamagishi, Yoshihiro Kataoka, Hiroshi Ogasawara +2 more 2013-08-06
8223832 Resolution increasing apparatus Ryusuke Hirai, Noboru Yamaguchi, Tsuyoshi Yamada 2012-07-17
7376330 Encoded data recording apparatus and mobile terminal Seiji Oura, Yuichi Sato, Osamu Yamagishi, Yoshihiro Kataoka, Hiroshi Ogasawara +2 more 2008-05-20
6779642 Lubricating structure of hydraulic clutch Yoichiro Yamamoto, Masaki Inoue, Keiichi Takahashi, Yuji Yamamoto 2004-08-24
6515695 Terminal and system for multimedia communications Jun Sato, Akira Irube, Nobuhiro Inoue, Yoshihiro Kataoka 2003-02-04
6454068 Power transmitting system for four-wheel drive vehicle Kentaro Arai, Ryuichi Murakami, Susumu Takahashi 2002-09-24
6427817 Lubrication structure of electro-magnetic clutch Kentaro Arai, Ryuichi Murakami, Tetsuro Hamada 2002-08-06
6330928 Driving force control device for four-wheel drive vehicle Shigenobu Sekiya, Hiroyuki Matsuo, Keiichi Takahashi 2001-12-18
RE35396 Cartridge shutter actuating device in .Iadd.a Magneto optical .Iaddend.recording and/or reproducing apparatus Yoshihisa Inoue 1996-12-10
5412510 Imaging optical system for compensating change of temperature Takashi Iizuka, Yoshihiro Yamazaki 1995-05-02
5396487 Structure for holding an optical article Tetsuya Abe, Seiichi Sasaki 1995-03-07
5388003 Projection lens system Kazuhiro Naganuma 1995-02-07
5291241 Optical device Hiroyuki Hirano, Nobutaka Minefuji, Minoru Suzuki 1994-03-01
5283599 Apparatus for combining and projecting images Yasuyuki Tejima, Takashi Iizuka, Nobutaka Minefuji 1994-02-01
5278698 Magnifying projecting lens Takashi Iizuka, Nobutaka Minefuji, Kazushi Yoshida 1994-01-11
5163038 Recording and/or reproducing apparatus with vibration isolation means 1992-11-10
5123004 Recording and/or reproducing apparatus having a vertically movable disk chassis and arranged to prevent external forces from disrupting proper operations 1992-06-16
5066987 Shading board for copying apparatus Nobutaka Minefuji 1991-11-19
5046507 Tear production measuring sheet and package therefor Makoto Nagase, Kuniaki Asami, Shuichi Kobayashi, Kazuo Ito, Motohiro Oka 1991-09-10
5005093 Recording and/or reproducing apparatus with cartridge lock mechanism Yoshihisa Inoue 1991-04-02
4992896 Cartridge shutter actuating device in recording and/or reproducing apparatus Yoshihisa Inoue 1991-02-12
4974948 Optical device for varying magification Takayuki Iizuka, Yoshihiro Yamazaki 1990-12-04
4899238 Cartridge shutter actuating device in recording and/or reproducing apparatus Yoshihisa Inoue 1990-02-06
4840472 Reflecting/refractive optical system 1989-06-20