KO

Kazuhiro Okamoto

Sumitomo Electric Industries: 7 patents #3,987 of 21,551Top 20%
KS Kyocera Document Solutions: 6 patents #570 of 1,545Top 40%
Sharp Kabushiki Kaisha: 5 patents #3,007 of 10,731Top 30%
SO Sony: 5 patents #7,785 of 25,231Top 35%
KO Komatsu: 2 patents #831 of 2,087Top 40%
TC Techno Polymer Co.: 2 patents #18 of 68Top 30%
ML Mitsubishi Electric Engineering Company, Limited: 2 patents #81 of 352Top 25%
MC Murata Manufacturing Co.: 1 patents #3,462 of 5,295Top 70%
HI Hitachi: 1 patents #17,742 of 28,497Top 65%
Kyocera: 1 patents #2,054 of 3,732Top 60%
Mitsubishi Electric: 1 patents #15,491 of 25,717Top 65%
AC Alps Electronics Co.: 1 patents #1 of 19Top 6%
RT Renesas Technology: 1 patents #1,991 of 3,337Top 60%
PA Panasonic: 1 patents #13,264 of 21,108Top 65%
Overall (All Time): #104,580 of 4,157,543Top 3%
33
Patents All Time

Issued Patents All Time

Showing 1–25 of 33 patents

Patent #TitleCo-InventorsDate
12298678 Transfer unit and image forming apparatus therewith Masayuki Yamada 2025-05-13
12206057 Joint body and light source device Sentarou YAMAMOTO, Youji Furukubo, Yuhei MATSUMOTO, Kouichirou SUGAI, Kazuki NISHIMOTO 2025-01-21
11782359 Developer storing apparatus and image forming apparatus 2023-10-10
11650535 Toner collection device and image forming apparatus therewith 2023-05-16
11262687 Waste toner storage case, image forming apparatus 2022-03-01
11131956 Image forming apparatus including waste developer container 2021-09-28
10764459 Image reading apparatus capable of shielding illumination light not to leak outside 2020-09-01
10186700 Heat-resistant microporous film and battery separator Akiko Kakibe, Sung-kil Lee 2019-01-22
9799864 Battery, separator, and laminated microporous film 2017-10-24
9627943 Motor cooling structure and motor Hiroyuki Tokunaga, Akira Okabe, Teiichirou Chiba, Natsuki Watanabe 2017-04-18
9502703 Laminated microporous film, battery separator, and non-aqueous electrolyte battery 2016-11-22
9327595 Fixing structure of resin tank Hirofumi Miyamoto 2016-05-03
9136515 Heat-resistant microporous film and battery separator Akiko Kakibe, Sung-kil Lee 2015-09-15
9085095 Thermoplastic resin composition for blow molding and blow molded articles thereof Junichiro Nitta, Masahiko Nagasaka 2015-07-21
8519052 Composition for coating and molded product using the same Kazuya Egawa 2013-08-27
8410502 Light-emitting device, planar light source including the light-emitting device, and liquid crystal display device including the planar light source Masahiro Konishi, Masaharu Kitano 2013-04-02
8368923 Image forming apparatus and image forming system 2013-02-05
8291335 Electronic bulletin apparatus 2012-10-16
8107185 Magnetic disk device including a sensor in a case Yuki Ono, Yukihiro Gorai, Mitsuru Watanabe, Akihiro Sato, Keitaro Kikuchi 2012-01-31
7764666 VoIP gateway apparatus, and method for controlling call-in/call-out in VoIP gateway apparatus Noboru Yamada, Kazumasa Azuma 2010-07-27
7561769 Optical fiber for irradiation-light transfer and light irradiation device equipped with the same Miyoko Fujimoto, Hiroshi Kohda 2009-07-14
7236215 Liquid crystal display device having small picture frame region Shinpei Nagatani, Takayuki Eiraku, Hiroyoshi Takahashi, Seiji Hayashimoto 2007-06-26
6865019 Amplification optical fiber and fiber optic amplifier including the same Soichi Endo, Masahiro Takagi, Motoki Kakui 2005-03-08
6865658 Nonvolatile data management system using data segments and link information Nobuaki Tomori, Katsumi Fukumoto 2005-03-08
6765855 Signal detection circuit for optical disk Yasushi Adachi, Yutaka Onoguchi, Masaaki Katoh 2004-07-20