MT

Masafumi Tanaka

Ricoh Company: 7 patents #2,977 of 9,818Top 35%
PA Panasonic: 6 patents #4,438 of 21,108Top 25%
Dai Nippon Printing Co.: 5 patents #462 of 2,222Top 25%
SO Sony: 4 patents #8,966 of 25,231Top 40%
Shimano: 4 patents #285 of 759Top 40%
JC Japan Storage Battery Co.: 3 patents #29 of 170Top 20%
Sumitomo Electric Industries: 2 patents #9,741 of 21,551Top 50%
Nichia: 2 patents #761 of 1,531Top 50%
SE Seiko Epson: 1 patents #5,551 of 7,774Top 75%
AT Advanced Material Technologies: 1 patents #8 of 16Top 50%
HD Hitachi Denshi: 1 patents #119 of 275Top 45%
📍 Misato, JP: #1 of 139 inventorsTop 1%
Overall (All Time): #91,929 of 4,157,543Top 3%
36
Patents All Time

Issued Patents All Time

Showing 1–25 of 36 patents

Patent #TitleCo-InventorsDate
12248121 Optical film, and polarizing plate, surface plate, image display panel and image display device using the optical film, and method for producing the optical film, and method for selecting optical film, and evaluation method of finger print wiping property Jun Tsujimoto, Yukimitsu Iwata, Michiaki TAKEI, Keisuke Ikeda, Gen Furui 2025-03-11
12135406 Optical film, and polarizing plate, surface plate, image display panel and image display device using the optical film, and method for producing the optical film, and method for selecting optical film, and evaluation method of finger print wiping property Jun Tsujimoto, Yukimitsu Iwata, Michiaki TAKEI, Keisuke Ikeda, Gen Furui 2024-11-05
11993344 Bicycle electric component Takafumi Suzuki, Takaya Masuda, Toshihiko Takahashi 2024-05-28
11203291 Controller and control system Masahiro Nakakura, Kazuki Koshiyama, Toshihiko Takahashi, Satoshi Shahana, Hitoshi Takayama +3 more 2021-12-21
11052967 Bicycle electric component Takafumi Suzuki, Takaya Masuda, Toshihiko Takahashi 2021-07-06
10808152 Adhesive composition and adhesive sheet using same Kentaro HOSHI, Kazuki Tsukiyama, Masaaki Nishi 2020-10-20
10684539 Lighting device and projection display apparatus Shigekazu Yamagishi, Takashi Ikeda 2020-06-16
10657999 Plasma CVD device and method of manufacturing magnetic recording medium Kouji Abe, Toshiyuki Watanabe, Kohei OKUDAIRA, Hiroyasu Sekino, Yuuji Honda 2020-05-19
10474019 Phosphor disc, phosphor wheel, light source device, projection display apparatus, and manufacturing method of phosphor disc Takashi Ikeda 2019-11-12
10394110 Phosphor wheel module, light source device, and projection display apparatus Shigekazu Yamagishi, Takashi Ikeda 2019-08-27
10377444 Bicycle electric component Takafumi Suzuki, Takaya Masuda, Toshihiko Takahashi 2019-08-13
10268111 Phosphor wheel, light source device, and projector-type image display apparatus Takashi Ikeda, Shigekazu Yamagishi 2019-04-23
10162252 Phosphor disc, phosphor wheel, light source device, projection display apparatus, and manufacturing method of phosphor disc Takashi Ikeda 2018-12-25
9863604 Phosphor wheel, light source device, and projection image display apparatus Takashi Ikeda, Shigekazu Yamagishi, Hiroki Sugiyama 2018-01-09
9678248 Antireflective article, image display device, production mold for antireflective article and production method for antireflective article production mold Yoshihiro Fukui, Hironori Kamiyama, Yuichi Miyazaki, Takafumi Shibata, Kazuo Matsufuji +3 more 2017-06-13
9442222 Antireflective article, image display device, and production mold for antireflective article Yoshihiro Fukui, Hironori Kamiyama, Yuichi Miyazaki, Takafumi Shibata, Kazuo Matsufuji +1 more 2016-09-13
9391595 Clock signal generation circuit, detection device, sensor, electronic apparatus, and moving object Teppei Higuchi, Katsuhiko Maki 2016-07-12
9047043 Electronic apparatus Shuhei Yukawa, Yutaka Ogasawara, Tooru Kuronuma 2015-06-02
8125771 Electronic apparatus Shuhei Yukawa, Yutaka Ogasawara, Tooru Kuronuma 2012-02-28
8031463 Electronic apparatus emitting light through a unitary transparent base chassis Shuhei Yukawa, Yutaka Ogasawara, Tooru Kuronuma 2011-10-04
7695149 Electronic apparatus emitting light through a unitary transparent base chassis Shuhei Yukawa, Yutaka Ogasawara, Tooru Kuronuma 2010-04-13
7444391 Data terminal, data distribution system, and internet telephone system Tomiya Miyazaki, Kazuo Yahiro, Toru Imamura, Yutaka Takeda, Keisuke Ogata +2 more 2008-10-28
7306773 Holding material for catalytic converter Takahito Mochida 2007-12-11
6769020 Data terminal, data distribution system, and internet telephone system Tomiya Miyazaki, Kazuo Yahiro, Toru Imamura, Yutaka Takeda, Keisuke Ogata +2 more 2004-07-27
6328513 Vibration floating washer assembly and method of attaching the same to heat insulating plate Takahiro Niwa, Hiroto Sugai 2001-12-11