MF

Masayuki Fujiwara

Ricoh Company: 11 patents #2,054 of 9,818Top 25%
SC Sanyo Electric Co.: 4 patents #1,493 of 6,347Top 25%
JI Japan Nuclear Cycle Development Institute: 3 patents #8 of 122Top 7%
SI Sumitomo Metal Industries: 2 patents #334 of 1,462Top 25%
DJ Doryokuro Kakunenryo Kaihatsu Jigyodan: 2 patents #36 of 393Top 10%
NC Nippon Chemi-Con: 2 patents #56 of 199Top 30%
HI Hitachi: 2 patents #13,388 of 28,497Top 50%
KS Kobe Steel: 2 patents #616 of 1,773Top 35%
TO Toyota: 1 patents #15,335 of 26,838Top 60%
OB Obara: 1 patents #19 of 35Top 55%
OC Optex Co.: 1 patents #66 of 111Top 60%
SC Shicoh Engineering Co.: 1 patents #8 of 26Top 35%
Overall (All Time): #158,950 of 4,157,543Top 4%
25
Patents All Time

Issued Patents All Time

Showing 1–25 of 25 patents

Patent #TitleCo-InventorsDate
12311460 Replacing and holding device for electrode tip Takehiro Izumi, Yoshinori Ando, Tsubasa Mochizuki, Masahiro Kimura 2025-05-27
11901701 Surface emitting laser element, surface emitting laser, surface emitting laser device, light source device, and detection apparatus Katsunari Hanaoka 2024-02-13
11371276 Automatic door system Taro Minoike, Kousuke Irie, Akihiro Ikeuchi, Takayasu Ikeda, Yoshikazu Takashima 2022-06-28
10292590 Optical examination method and optical examination device Toshihiro Ishii, Yoichiro Takahashi, Toshihide Sasaki 2019-05-21
10177530 Optical sensor, optical examination device, and optical property detection method Toshihiro Ishii, Yoichiro Takahashi, Sunao Chubachi, Toshihide Sasaki, Kazuhiko Adachi 2019-01-08
10067056 Optical sensor, optical inspection device, and optical property detection method for detecting light propagated inside a test object Toshihiro Ishii, Yoichiro Takahashi, Toshihide Sasaki 2018-09-04
8323824 Laminate type battery and battery module incorporating the laminate type battery Yoshitaka Shinyashiki, Atsuhiro Funahashi, Hitoshi Maeda 2012-12-04
8309247 Method for compressing individual cells in battery module Yoshitaka Shinyashiki, Hitoshi Maeda, Atsuhiro Funahashi 2012-11-13
8227067 Optical recording medium, and sputtering target and method for producing the same Yoshitaka Hayashi, Noboru Sasa, Toshishige Fujii, Toshihide Sasaki, Masaki Kato +2 more 2012-07-24
8163366 Write-once-read-many optical recording medium Toshishige Fujii, Noboru Sasa, Yoshitaka Hayashi, Hiroshi Miura 2012-04-24
8147942 Worm optical recording medium Noboru Sasa, Yoshitaka Hayashi, Toshishige Fujii, Toshihide Sasaki, Hiroyoshi Sekiguchi +4 more 2012-04-03
8124212 Sputtering target and manufacturing method therefor, and recordable optical recording medium Yoshitaka Hayashi, Noboru Sasa, Toshishige Fujii, Hiroshi Miura, Masaki Kato +2 more 2012-02-28
8124211 Optical recording medium, sputtering target, and method for manufacturing the same Noboru Sasa, Yoshitaka Hayashi, Toshishige Fujii, Toshihide Sasaki, Hiroyoshi Sekiguchi 2012-02-28
8119277 Stack type battery Yoshitaka Shinyashiki, Atsuhiro Funahashi, Hitoshi Maeda 2012-02-21
7897535 Sputtering target and manufacturing method therefor, and recordable optical recording medium Yoshitaka Hayashi, Noboru Sasa, Toshishige Fujii, Hiroshi Miura, Masaki Kato +2 more 2011-03-01
7704638 Battery and battery module Atsuhiro Funahashi, Hitoshi Maeda, Yoshitaka Shinyashiki 2010-04-27
7488526 Sputtering target and manufacturing method therefor, and optical recording medium and manufacturing method therefor Yoshitaka Hayashi, Noboru Sasa, Toshishige Fujii 2009-02-10
7361235 Method for producing dispersed oxide reinforced ferritic steel having coarse grain structure and being excellent in high temperature creep strength Satoshi Ohtsuka, Shigeharu Ukai, Takeji Kaito 2008-04-22
7273584 Method of manufacturing oxide dispersion strengthened martensitic steel excellent in high-temperature strength having residual α-grains Satoshi Ohtsuka, Shigeharu Ukai, Takeji Kaito, Takeshi Narita 2007-09-25
7037464 Dispersed oxide reinforced martensitic steel excellent in high temperature strength and method for production thereof Satoshi Ohtsuka, Shigeharu Ukai, Takeji Kaito, Takeshi Narita 2006-05-02
5225725 Linear direct current motor Manabu Shiraki, Osami Miyao, Masayuki Ohsaka, Daishi Yamaguchi 1993-07-06
4972299 Chip type capacitor and manufacturing thereof Ikuo Hagiwara, Susumu Ando, Keiichi Endo, Makoto Hirano 1990-11-20
4963200 Dispersion strengthened ferritic steel for high temperature structural use Takanari Okuda, Shigeo Nomura, Itaru Shibahara, Yuji Enokido, Toshio Nishida +4 more 1990-10-16
4960562 Dispersion strengthened ferritic steel cladding tube for nuclear reactor and its production method Takanari Okuda, Shigeo Nomura, Itaru Shibahara, Yoshinori Tateishi, Susumu Hirano +2 more 1990-10-02
4558399 Electrolytic capacitor and a process for producing the same Tatsuro Toyama 1985-12-10