MS

Masato Sakai

HC Hitachi Koki Co.: 57 patents #2 of 888Top 1%
OD Oki Data: 16 patents #28 of 635Top 5%
OC Oki Electric Industry Co.: 5 patents #405 of 2,807Top 15%
TO Toshiba: 4 patents #258 of 2,688Top 10%
Rohm Co.: 4 patents #677 of 2,292Top 30%
SU Sumco: 3 patents #118 of 464Top 30%
JR Japan Synthetic Rubber: 3 patents #110 of 558Top 20%
KC Konami Digital Entertainment Co.: 2 patents #166 of 611Top 30%
HI Hitachi: 2 patents #13,388 of 28,497Top 50%
DI Daicel Chemical Industries: 1 patents #476 of 893Top 55%
SA Sanden: 1 patents #336 of 631Top 55%
SI Sumitomo Metal Industries: 1 patents #630 of 1,462Top 45%
TC Takiron Co.: 1 patents #20 of 69Top 30%
HC Hitachi Automotive Engineering Co.: 1 patents #156 of 314Top 50%
KT Kabushiki Kaisha Toshiba: 1 patents #13,537 of 21,451Top 65%
FC Futaba Industrial Co.: 1 patents #70 of 167Top 45%
OS Olympus Medical Systems: 1 patents #501 of 833Top 65%
📍 Ibaraki, CA: #4 of 23 inventorsTop 20%
Overall (All Time): #13,763 of 4,157,543Top 1%
103
Patents All Time

Issued Patents All Time

Showing 1–25 of 103 patents

Patent #TitleCo-InventorsDate
10940518 Manufacturing method for press-formed article Yasuhiro Hayashi, Masatoshi Miwa, Koichi Kume 2021-03-09
10082752 Fixation device and image formation apparatus Yoshitaka Yanai, Takeshi Kojima 2018-09-25
10060654 Heat pump type heating apparatus Yasunori Takayama, Hiroshi Ishida, Yoichi Negishi 2018-08-28
9967920 Electric device outputting light, wind, heat or sound Takafumi Itoh, Yoshinori Ishizawa, Masanori Okada, Hiroyuki Hasegawa, Takashi Kawamata 2018-05-08
D801145 Nailer Yoshiki Aoki 2017-10-31
D800526 Nailer Yoshiki Aoki 2017-10-24
D792708 Storage case for portable tool Yuko Tazawa, Kenichi Yamada, Shuji Takeda 2017-07-25
9696669 Fuser device and image forming apparatus Tetsuya Uehashi 2017-07-04
9693470 Electric device with surrounding protective frame Takafumi Itoh, Masanori Okada, Rui Akiba 2017-06-27
9505120 Power tool Yoshiki Aoki, Masanori Okada 2016-11-29
9340900 Epitaxial wafer and method of producing same Shinji Nakahara, Takayuki Dohi 2016-05-17
D744139 Floodlight Takafumi Itoh, Masanori Okada 2015-11-24
9158245 Medium transporting apparatus and image forming apparatus Teruaki Kuroda, Keita Ishimori 2015-10-13
9128433 Fixation device and image formation apparatus 2015-09-08
D735006 Portable electric driver Yoshiki Aoki, Rui Akiba, Hiroki Uchida, Masanori Okada, Yoshihiro Komuro 2015-07-28
D726142 Radio receiver Takafumi Itoh, Rui Akiba, Masanori Okada 2015-04-07
8761621 Fixation device and image formation apparatus 2014-06-24
8290417 Belt device and image forming apparatus 2012-10-16
8195073 Fixing device and image forming apparatus 2012-06-05
8152919 Epitaxial silicon wafer and fabrication method thereof Takayuki Dohi, Shinji Nakahara, Masaya Sakurai 2012-04-10
8087556 Power tool Katsuhiro Oomori, Tomoyuki Hoshi, Hideki Ishida, Takuya Teranishi, Takeshi Taniguchi +4 more 2012-01-03
7989073 Epitaxial silicon wafer and fabrication method thereof Takayuki Dohi, Shinji Nakahara, Masaya Sakurai 2011-08-02
7856730 Internal diameter measurement device Masatoshi Tonomura 2010-12-28
7681661 Electric power tool Satoru Matsuno, Masanori Watanabe, Chikai Yoshimizu 2010-03-23
7665541 Electric power tool with cover Satoru Matsuno, Masanori Watanabe, Chikai Yoshimizu 2010-02-23