MY

Masaaki Yamada

Ricoh Company: 39 patents #374 of 9,818Top 4%
KT Kabushiki Kaisha Toshiba: 14 patents #2,131 of 21,451Top 10%
UE US Dept of Energy: 4 patents #173 of 5,099Top 4%
DE Digital Electronics: 4 patents #3 of 19Top 20%
RE Renesas Electronics: 3 patents #1,322 of 4,529Top 30%
NC Nec Casio Mobile Communications: 2 patents #7 of 72Top 10%
MA Maxell: 2 patents #227 of 437Top 55%
Mitsubishi Electric: 2 patents #11,187 of 25,717Top 45%
NE Nec: 1 patents #7,889 of 14,502Top 55%
Nissan Motor Co.: 1 patents #4,519 of 8,689Top 55%
HM Hitachi Maxell: 1 patents #659 of 1,211Top 55%
HC Hitachi Consumer Electronics Co.: 1 patents #206 of 447Top 50%
SC Sumitomo Seika Chemicals Co.: 1 patents #180 of 365Top 50%
TC Teikoku Hormone Mfg. Co.: 1 patents #51 of 112Top 50%
TI The Kitasato Institute: 1 patents #69 of 172Top 45%
HI Hitachi: 1 patents #17,742 of 28,497Top 65%
TO Toyota: 1 patents #15,335 of 26,838Top 60%
Overall (All Time): #22,694 of 4,157,543Top 1%
80
Patents All Time

Issued Patents All Time

Showing 25 most recent of 80 patents

Patent #TitleCo-InventorsDate
12112727 Stringed musical instrument string and method for manufacturing stringed musical instrument string 2024-10-08
RE49669 Information processing apparatus 2023-09-26
11406785 Gas product, method for producing same and method for producing medical inhalation gas Ichiro Misawa, Hirosuke KOBAYASHI, Kenichi Kokubo 2022-08-09
RE48830 Information processing apparatus 2021-11-23
10649371 Developing device, process cartridge, and image forming apparatus incorporating same Kei Saito, Yoshiyuki Fukuda, Yuuji Ishikura 2020-05-12
9921541 Developing device, and image forming apparatus and process cartridge incorporating same Yasunobu Shimizu, Akira Azami, Yoshiko Ogawa, Toshio Koike, Mutsuki Morinaga +4 more 2018-03-20
9772579 Developing device and image forming apparatus incorporating same Yuki Oshikawa, Akira Azami, Yoshiko Ogawa, Yoshihiro Fujiwara, Noriyuki Kimura +6 more 2017-09-26
9625851 Developing device and image forming apparatus incorporating same Yuki Oshikawa, Akira Azami, Yoshiko Ogawa, Yoshihiro Fujiwara, Noriyuki Kimura +6 more 2017-04-18
9046821 Development device and image forming apparatus incorporating same Tomoya Ohmura, Akira Azami, Toshio Koike, Hiroaki Okamoto 2015-06-02
9008556 Development device and image forming apparatus and process unit incorporating same Yuuji Ishikura, Katsuhiro Aoki, Masayuki Yamane, Atsushi Kurokawa, Yuuki Satoh 2015-04-14
8982086 Information processing apparatus 2015-03-17
8948638 Image forming apparatus Yuji Ishikura, Yasuyuki Ishii, Hideki Kosugi, Tetsuro Hirota, Yoshiko Ogawa +4 more 2015-02-03
8897681 Developing device, image forming apparatus, and image forming method Tetsuro Hirota, Hideki Kosugi, Atsushi Kurokawa, Hideyasu Seki, Yasuyuki Ishii 2014-11-25
8872984 Tuner module, and mobile communication terminal Yoshikazu Sugiyama 2014-10-28
8838048 Radio communication apparatus, radio communication method, and non-transitory computer readable medium storing radio communication control program Mitsuhiro Kitani 2014-09-16
8824935 Development device, process cartridge incorporating same, and image forming apparatus incorporating same Hideyasu Seki, Yasuyuki Ishii, Hideki Kosugi, Tetsuro Hirota, Atsushi Kurokawa 2014-09-02
8792838 Radio communication apparatus, radio communication method, and non-transitory computer readable medium storing radio communication control program Mitsuhiro Kitani 2014-07-29
8731874 Three-dimensional CAD model creating apparatus and program Shin Kawabe, Shinya Itagaki, Osamu Makino, Koichi Nanno, Takeharu Kondo +3 more 2014-05-20
8654093 Information processing apparatus 2014-02-18
8594540 Development device, process cartridge incorporating same, and image forming apparatus incorporating same Tetsuro Hirota, Hideki Kosugi, Yoshiko Ogawa, Atsushi Kurokawa, Hideyasu Seki +1 more 2013-11-26
8588635 Development device, process cartridge incorporating same, and image forming apparatus incorporating same Yoshiko Ogawa, Yasuyuki Ishii, Hideki Kosugi, Atsushi Kurokawa, Yuji Ishikura 2013-11-19
8538364 Filter circuit and receiver using the same Yusaku Katsube, Junichi Takahashi, Toshihito Habuka, Kenichi Shibata, Fumihito YAMAGUCHI 2013-09-17
8433211 Developing device, process cartridge, and image forming apparatus Masanori Horike, Tetsuro Hirota, Atsushi Kurokawa, Hideki Kosugi, Yoshiko Ogawa +1 more 2013-04-30
8405486 Electric power transmitting and receiving device, electric power transmitting device and electric power receiving device Taku Takaki, Yuhei NIWA 2013-03-26
8391755 Developing device, process cartridge, and image forming apparatus Yoshinori Nakagawa, Yasuyuki Ishii, Hideki Kosugi, Tomoko Takahashi, Ichiro Kadota 2013-03-05