OT

Osamu Tanaka

DI Daikin Industries: 25 patents #74 of 2,957Top 3%
NS Nippon Steel: 23 patents #35 of 4,423Top 1%
PA Panasonic: 19 patents #1,080 of 21,108Top 6%
NK Nippon Carbide Kogyo: 12 patents #2 of 105Top 2%
Nissan Motor Co.: 11 patents #614 of 8,689Top 8%
MC Miura Co.: 8 patents #5 of 163Top 4%
AN Anritsu: 5 patents #62 of 633Top 10%
MI Minolta: 5 patents #345 of 1,109Top 35%
Rohm Co.: 4 patents #677 of 2,292Top 30%
ND Nittetsu Plant Designing: 4 patents #1 of 74Top 2%
KT Kabushiki Kaisha Toshiba: 4 patents #8,011 of 21,451Top 40%
NK Nsk-Warner K.K.: 3 patents #65 of 206Top 35%
Sumitomo Electric Industries: 3 patents #7,735 of 21,551Top 40%
TO Tokuyama: 3 patents #111 of 562Top 20%
TL Tokyo Electron Limited: 3 patents #2,069 of 5,567Top 40%
DC Dowa Electronics Materials Co.: 3 patents #68 of 241Top 30%
JC Jeco Co.: 3 patents #9 of 73Top 15%
Dow Corning: 2 patents #658 of 1,768Top 40%
MC Maruzen Sewing Machine Co.: 2 patents #7 of 15Top 50%
NE Nec: 2 patents #5,510 of 14,502Top 40%
KO Komatsu: 2 patents #831 of 2,087Top 40%
CC Citizen Holdings Co.: 2 patents #121 of 431Top 30%
KS Kobe Steel: 2 patents #504 of 2,031Top 25%
NO Nof: 1 patents #246 of 561Top 45%
AC Art Metal Mfg. Co.: 1 patents #5 of 24Top 25%
SC Sanyu Rec Co.: 1 patents #9 of 15Top 60%
TL Tokyo Electron Saga Limited: 1 patents #14 of 24Top 60%
TC Toray Silicone Co.: 1 patents #64 of 116Top 60%
TS Toshiba Energy Systems & Solutions: 1 patents #268 of 569Top 50%
UN Unknown: 1 patents #29,356 of 83,584Top 40%
DC Dow Corning Toray Silicone Company: 1 patents #139 of 246Top 60%
DC Dow Corning Toray Co.: 1 patents #117 of 258Top 50%
EI Echo Incorporated: 1 patents #24 of 51Top 50%
FC Fine M-Tec Co.: 1 patents #38 of 97Top 40%
IC Ichikawa Woolen Textile Co.: 1 patents #10 of 29Top 35%
MC Micro-Tec Company: 1 patents #2 of 4Top 50%
DE Denso: 1 patents #6,940 of 11,792Top 60%
MC Minolta Co.: 1 patents #942 of 1,416Top 70%
DC Dainihon Jochugiku Co.: 1 patents #13 of 34Top 40%
MC Miura Institute Of Research & Development Co.: 1 patents #14 of 38Top 40%
DC Daihatsu Motor Co.: 1 patents #84 of 248Top 35%
CC Citizen Watch Co.: 1 patents #668 of 1,225Top 55%
AC Anritsu Infivis Co.: 1 patents #6 of 18Top 35%
📍 Akita, JP: #1 of 283 inventorsTop 1%
Overall (All Time): #4,931 of 4,157,543Top 1%
167
Patents All Time

Issued Patents All Time

Showing 101–125 of 167 patents

Patent #TitleCo-InventorsDate
5812316 Method for making retroreflective sheeting Katsura Ochi, Masaki Yoshizawa 1998-09-22
5772884 Porous polytetrafluoroethylene film and process for preparation thereof Toshio Kusumi, Jun Asano, Katsutoshi Yamamoto, Osamu Inoue, Shinichi Chaen +2 more 1998-06-30
5759671 Ultraviolet luminescent retroreflective sheeting Kiyohito Hiromitsu, Hidenori Fushimi 1998-06-02
5726803 Lens-type retroreflective sheeting Katsura Ochi, Makoto Takeda 1998-03-10
5688836 Polytetrafluoroethylene porous material and process for production of the same Katsutoshi Yamamoto, Hirofumi Onogi 1997-11-18
5685920 Annealing separator having excellent reactivity for grain-oriented electrical steel sheet and method of use the same Maremizu Ishibashi, Tsuyoshi Hamaya, Tsutomu Haratani, Tomoji Kumano, Koji Yamasaki +3 more 1997-11-11
5684065 Surface-modified fluorine-containing resin molded article Hiroyuki Hiraoka, Shinji Tamaru 1997-11-04
5601915 Retroreflective sheeting Katsura Ochi, Masaki Yoshizawa 1997-02-11
5601911 Capsule type retroreflective sheeting Katsura Ochi, Manabu Ogawa 1997-02-11
5562986 Polytetrafluoroethylene fibers, polytetrafluoroethylene materials and process for preparation of the same Katsutoshi Yamamoto, Osamu Inoue, Toshio Kusumi, Shinichi Chaen, Jun Asano +1 more 1996-10-08
5507883 Grain oriented electrical steel sheet having high magnetic flux density and ultra low iron loss and process for production the same Hiroaki Masui, Hotaka Honma, Katsuro Kuroki, Tsutomu Haratani, Yoichi Mishima +2 more 1996-04-16
5490145 Communication system for a ring-type network Takumi Tanabe, Hiroaki Asano, Shinako Nishioka, Shiro Iwasaki 1996-02-06
D366106 Air filter Katsutoshi Yamamoto, Osamu Inoue, Toshio Kusumi, Shinichi Chaen, Jun Asano +1 more 1996-01-09
5409515 Filter apparatus and filter element Katsutoshi Yamamoto, Osamu Inoue, Toshio Kusumi, Shinichi Chaen, Jun Asano +1 more 1995-04-25
5394721 Method of producing permalloy cores Kenzo Iwayama, Tsunehiro Shimizu, Hidehiko Sumitomo, Kunihide Takashima, Akira Amemura 1995-03-07
5367128 Fast-responsive electromagnetic balance-type weighing apparatus Fumihiro Tsukasa, Hideya Fujimoto, Kazuhiko Horikoshi, Kunio Kikuchi 1994-11-22
5363277 Structure and method for mounting semiconductor device 1994-11-08
5359154 Conveyor apparatus having plural conveyors with equalized conveying speeds controlled by an inverter means Fumihiro Tsukasa, Hideya Fujimoto, Kazuhiko Horikoshi, Kunio Kikuchi 1994-10-25
5353748 Combustion method and apparatus for reducing emission concentrations of NO.sub.x and CO Toshihiro Kayahara, Akinori Kawakami, Tetsushi Nakai, Kazuhiro Ikeda 1994-10-11
5331513 Method of mounting electronic part on circuit substrate and circuit substrate including electronic parts mounted thereon Minoru Hirai 1994-07-19
5327921 Processing vessel for a wafer washing system Shouri Mokuo, Kenji Yokomizo 1994-07-12
5243727 Floor polisher Tsutomu Morita, Kazutoshi Kinoshita 1993-09-14
5234739 Polytetrafluoroethylene porous film and preparation and use thereof Shinji Tanaru, Hirofumi Nishibayashi, Osamu Inoue, Katsutoshi Yamamoto, Toshio Kusumi 1993-08-10
5227081 Silicone grease composition and method for preparing same Kiyotaka Sawa, Yasushi Sugiura 1993-07-13
5225131 Process for producing multilayer polytetrafluoroethylene porous membrane and semisintered polytetrafluoroethylene multilayer structure Shinji Tamaru, Katsutoshi Yamamoto, Hirofumi Nishibayashi, Osamu Inoue 1993-07-06