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%
Overall (All Time): #4,931 of 4,157,543Top 1%
167
Patents All Time

Issued Patents All Time

Showing 25 most recent of 167 patents

Patent #TitleCo-InventorsDate
12433066 Semiconductor optical device and method of producing the same Yoshitaka Kadowaki 2025-09-30
12336335 Light-emitting element and method of producing the same Yoshitaka Kadowaki, Shogo Sakuraba 2025-06-17
12286541 Surface-treated sol-gel silica and method for producing same Hiromasa FUJIOKA, Hiroaki Taira, Naoki MIKAMI, Toshiaki Ootani 2025-04-29
12209187 Amorphous silica-titania composite oxide powder, resin composition, liquid dispersion, and method for producing silica-coated silica-titania composite oxide powder Masao Ariyuki, Kazuhiro Fukunaga, Mari Aoki 2025-01-28
12125702 Semiconductor light-emitting element and method of producing the same Yoshitaka Kadowaki 2024-10-22
12025014 Pit initiation evaluation system, and, pit initiation evaluation method Yuka Tsukada, Kazuhiro Saito, Yusuke Suzuki, Yoshikazu Ninomiya, Yasuteru KAWAI +2 more 2024-07-02
11932543 Composite oxide powder and method for production thereof Hiromasa FUJIOKA, Hiroaki Taira 2024-03-19
11234168 Communication device and radio communication system Nobuhiko Arashin, Shinichiro Nishioka 2022-01-25
10547053 Negative electrode active material for electric device, negative electrode for electric device and electric device Manabu Watanabe, Masao Yoshida 2020-01-28
10367198 Negative electrode active material for electric device Manabu Watanabe, Masao Yoshida 2019-07-30
10338260 Metal detection apparatus and metal detection method Yoshifumi Takahashi, Kazunori Sakata 2019-07-02
10260570 Friction plate and wet-type multiple-disc clutch with friction plate Hideaki Takabayashi, Yousuke IKEDA, Masanori Okada, Masahiro Kobayashi, Fumimasa Muramatsu +4 more 2019-04-16
10173159 Mold-preventing air filter filtration medium and mold-preventing air filter Yukimitsu Ichikawa, Kanya Goto, Narumi Dosaka, Yumiko Fukushima, Yasuhito Fujimaki +1 more 2019-01-08
10100882 One-way clutch Yukiyoshi Suzuki 2018-10-16
10026242 Status information display device for wheeled work vehicle, maintenance-screen display method for wheeled work vehicle, and maintenance-screen display program for wheeled work vehicle Takehiro Shibata 2018-07-17
9843040 Negative electrode active material for electric device Manabu Watanabe, Masao Yoshida 2017-12-12
9790592 Decorative article having black hard coating film 2017-10-17
9702121 State information display for work machine, caution-sign displaying method for work machine, and caution-sign displaying program for work machine Takehiro Shibata 2017-07-11
9472430 Substrate storage container and exposure apparatus Kohei Shibano, Keigo Toriumi 2016-10-18
9362557 Negative electrode active material for electric device, negative electrode for electric device and electric device Manabu Watanabe, Masao Yoshida 2016-06-07
9325003 Negative electrode active material for electric device Manabu Watanabe, Masao Yoshida 2016-04-26
9288787 Access point terminal, wireless communication terminal, wireless communication system, wireless communication method, program and integrated circuit Nobuhiko Arashin, Toyoshi Yamada, Masahiko Nagoshi, Akihiko Shiotsuki, Akira YAMASAKI 2016-03-15
9228249 Si alloy negative electrode active material for electric device Manabu Watanabe, Takashi Miyamoto 2016-01-05
9209453 Negative electrode active material for electric device Manabu Watanabe, Masao Yoshida 2015-12-08
9126065 Airbag device for the body Mitsuya Uchida, Kiyoshi Fukaya, Takumi Yoshimura, Toshiyo Tamura, Yukitoshi Takahashi 2015-09-08