TI

Takashi Iijima

Fujitsu Limited: 23 patents #1,155 of 24,456Top 5%
TS Tokyo Kikai Seisakusho: 18 patents #2 of 195Top 2%
Sumitomo Electric Industries: 16 patents #1,466 of 21,551Top 7%
Canon: 12 patents #5,447 of 19,416Top 30%
NM Nippon Steel & Sumitomo Metal: 7 patents #120 of 1,491Top 9%
UY University Of Yamanashi: 7 patents #11 of 152Top 8%
TT Tokyo Institute Of Technology: 6 patents #43 of 1,159Top 4%
KU Kyoto University: 6 patents #65 of 1,688Top 4%
NC Nippon Steel Chemical: 5 patents #15 of 184Top 9%
Yamaha: 3 patents #738 of 2,001Top 40%
NC NS Sumikin Chemical: 3 patents #27 of 144Top 20%
NS Nippon Steel: 2 patents #1,308 of 4,423Top 30%
NE Nec: 2 patents #5,510 of 14,502Top 40%
SC Sanyo Electric Co.: 2 patents #2,557 of 6,347Top 45%
TO Toyota: 1 patents #15,335 of 26,838Top 60%
DC Daifuku Co.: 1 patents #230 of 509Top 50%
FC Furukawa Electric Co.: 1 patents #1,242 of 2,370Top 55%
Honda Motor Co.: 1 patents #12,035 of 21,052Top 60%
JG Jgc: 1 patents #137 of 393Top 35%
Ngk Spark Plug Co.: 1 patents #959 of 1,594Top 65%
NC Nippon Steel & Sumikin Materials Co.: 1 patents #37 of 78Top 50%
NC Nippon Zeon Co.: 1 patents #307 of 609Top 55%
RC Rhythm Watch Co.: 1 patents #22 of 62Top 40%
SC Sanyo Semiconductor Co.: 1 patents #143 of 323Top 45%
UN Unknown: 1 patents #29,356 of 83,584Top 40%
AC Aisin Aw Co.: 1 patents #1,133 of 2,011Top 60%
📍 Tsukuba, JP: #5 of 2,818 inventorsTop 1%
Overall (All Time): #15,142 of 4,157,543Top 1%
98
Patents All Time

Issued Patents All Time

Showing 1–25 of 98 patents

Patent #TitleCo-InventorsDate
12142770 Carbon material for use as catalyst carrier of polymer electrolyte fuel cell and method of producing the same Kenichiro Tadokoro, Masataka Hiyoshi, Shinya Furukawa, Tomoko Komura, Kazuyoshi Masaki +2 more 2024-11-12
12057589 Carbon material for catalyst carrier of polymer electrolyte fuel cell and method of producing the same Kenichiro Tadokoro, Masataka Hiyoshi, Shinya Furukawa, Tomoko Komura, Kazuyoshi Masaki +2 more 2024-08-06
11576653 Ultrasonic generator Takeshi Morita, Kang-Sheng Chen, Takasuke Irie 2023-02-14
11394034 Support for polymer electrolyte fuel cell catalyst, method of producing support for polymer electrolyte fuel cell catalyst, catalyst layer for polymer electrolyte fuel cell, and fuel cell Kenichiro Tadokoro, Masataka Hiyoshi, Shinya Furukawa, Tomoko Komura, Kazuhiko Mizuuchi 2022-07-19
11302928 Carbon material for catalyst carrier of polymer electrolyte fuel cell, and method of producing the same Kenichiro Tadokoro, Masataka Hiyoshi, Shinya Furukawa, Tomoko Komura, Kazuyoshi Masaki +2 more 2022-04-12
11073199 Breather device Guodong Tan, Shinichi Ito, Yukihiko Ideshio, Masashi Ikemura, Masamichi Yamaguchi +3 more 2021-07-27
10886539 Catalyst-carrier carbon material, solid-polymer fuel cell catalyst, solid-polymer fuel cell, and method for manufacturing catalyst-carrier carbon material Noriyuki Negi, Masataka Hiyoshi, Katsumasa MATSUMOTO, Shinya Furukawa, Kenichiro Tadokoro +4 more 2021-01-05
10168745 Information processing apparatus including power supply cable coupled to circuit board and coupling cable coupled to display and notebook type personal computer including information processing apparatus Takashi Abe, Shinya Matsushita 2019-01-01
10103398 Support carbon material and catalyst for solid polymer type fuel cell use Shinya Furukawa, Masataka Hiyoshi, Katsumasa MATSUMOTO, Noriyuki Negi, Hiroyuki Hayashida 2018-10-16
10096837 Supporting carbon material for solid polymer fuel cell and catalyst metal particle-supporting carbon material Masataka Hiyoshi, Katsumasa MATSUMOTO, Hiroyuki Hayashida, Kazuhiko Mizuuchi, Takumi KOUNO +2 more 2018-10-09
10003085 Carbon support material for solid polymer type fuel cell use and metal catalyst particle- supporting carbon material and methods of production of same Katsumasa MATSUMOTO, Masataka Hiyoshi, Hiroyuki Hayashida, Kazuhiko Mizuuchi, Takumi KOUNO +2 more 2018-06-19
9900413 Housing of electronic device and electronic device 2018-02-20
9886061 Information processing apparatus 2018-02-06
9870883 Input device and electronic equipment Takashi Abe, Masaki Ishikawa 2018-01-16
9851754 Information processing device Takashi Abe, Shinya Matsushita 2017-12-26
9786925 Fuel cell and fuel cell use gas diffusion electrode Kenichiro Tadokoro, Hiroshi Kajiro, Hideaki Sawada, Yoichi Matsuzaki 2017-10-10
9735433 Fuel cell Kenichiro Tadokoro, Kazumi Mizukami, Hideaki Sawada, Tomohiro Hada 2017-08-15
9718688 Carbon plate and composite carbon plate Eiki Tsushima, Shinkichi Murakami, Jun Nakatsuka, Kenichi Uemura 2017-08-01
9543501 Metal oxide Makoto Kubota, Kaoru Miura, Toshihiro Ifuku, Jumpei Hayashi, Masaki Azuma +6 more 2017-01-10
9362482 Method of producing piezoelectric device using Be, Fe and Co under excess oxygen atmosphere Makoto Kubota, Kenji Takashima, Masaki Azuma, Yoshitaka Nakamura, Yuichi Shimakawa +1 more 2016-06-07
8999606 Solid polymer type fuel cell catalyst, solid polymer type fuel cell electrode, and fuel cell Kenichiro Tadokoro, Hideaki Sawada 2015-04-07
8980117 Piezoelectric material Makoto Kubota, Toshihiro Ifuku, Hiroshi Funakubo, Keisuke Yazawa, Hiroshi Uchida +1 more 2015-03-17
8529785 Metal oxide Makoto Kubota, Kaoru Miura, Toshihiro Ifuku, Jumpei Hayashi, Masaki Azuma +6 more 2013-09-10
8518290 Piezoelectric material Takayuki Watanabe, Takanori Matsuda, Hiroshi Saito, Hiroshi Funakubo, Nobuhiro Kumada +1 more 2013-08-27
8518292 Piezoelectric material, method of manufacturing the same, and piezoelectric device Hiroshi Saito, Toshihiro Ifuku, Satoshi Wada, Nobuhiro Kumada, Keisuke Yamato +1 more 2013-08-27