TK

Takashi Kubota

Ricoh Company: 30 patents #620 of 9,818Top 7%
Fujitsu Limited: 22 patents #1,239 of 24,456Top 6%
HI Hitachi: 10 patents #4,206 of 28,497Top 15%
AK Aisan Kogyo Kabushiki Kaisha: 8 patents #49 of 642Top 8%
TS Toshiba Medical Systems: 7 patents #168 of 1,088Top 20%
TO Toyota: 6 patents #4,786 of 26,838Top 20%
KT Kabushiki Kaisha Toshiba: 6 patents #4,898 of 21,451Top 25%
MC Mitsui Mining & Smelting Co.: 5 patents #110 of 838Top 15%
SC Sekisui Chemical Co.: 5 patents #142 of 908Top 20%
Nintendo Co.: 5 patents #360 of 1,476Top 25%
HM Hitachi Maxell: 4 patents #247 of 1,211Top 25%
SC Shinko Electric Industries Co.: 3 patents #437 of 723Top 65%
TI Toray Industries: 3 patents #932 of 3,690Top 30%
MM Mitsubishi Materials: 2 patents #498 of 1,543Top 35%
Mitsubishi Electric: 2 patents #11,187 of 25,717Top 45%
FJ Fujitsu Limited Kawasaki, Japan: 2 patents #1 of 16Top 7%
JP Japan Styrene Paper: 2 patents #16 of 56Top 30%
TC Tamron Co.: 2 patents #47 of 138Top 35%
UM Uchiyama Manufacturing: 1 patents #36 of 116Top 35%
Canon: 1 patents #14,899 of 19,416Top 80%
SO Sony: 1 patents #17,262 of 25,231Top 70%
Nissan Motor Co.: 1 patents #4,519 of 8,689Top 55%
Nichia: 1 patents #1,005 of 1,531Top 70%
RE Resonac: 1 patents #191 of 474Top 45%
TO Topcon: 1 patents #425 of 684Top 65%
TC Toray Engineering Co.: 1 patents #46 of 169Top 30%
KC Kokuyo Co.: 1 patents #86 of 136Top 65%
Overall (All Time): #9,953 of 4,157,543Top 1%
120
Patents All Time

Issued Patents All Time

Showing 1–25 of 120 patents

Patent #TitleCo-InventorsDate
12401038 Negative electrode material for lithium ion secondary battery, production method for negative electrode material for lithium ion secondary battery, negative electrode material slurry for lithium ion secondary battery, negative electrode for lithium ion secondary battery, and lithium ion secondary battery Hideyuki TSUCHIYA, Takashi Sakamoto, Takeshi Masayoshi, Kento HOSHI, Takayuki MIYAUCHI 2025-08-26
12106697 Image display device, system and method Kyohi Kang, Kyohei Nakano, Yoko Tarui, Shin Sugiyama, Kwei Yuan Chiou 2024-10-01
11885997 Light guide, virtual image optical system, and virtual image display device Shiori OHSUGI, Takanobu Osaka, Naoki Nakamura 2024-01-30
11209632 Projection optical system and image projection device 2021-12-28
11134192 Optical system and image projection apparatus including an interface that transmits or reflects light Kohei Ushio 2021-09-28
11042013 Projection optical system and image projection device Hibiki Tatsuno 2021-06-22
10820891 Ultrasonic probe and ultrasonic diagnostic apparatus 2020-11-03
10820803 Patient management system and patient management server Yasufumi Fukuma, Makoto Fujino, Hisashi Tsukada 2020-11-03
10775620 Virtual-image forming device and mobile object Takahiro Nakayama, Hibiki Tatsuno, Naoki Nakamura 2020-09-15
10746963 Image-forming lens, and imaging apparatus and information device using the image-forming lens Kazuyasu Ohashi 2020-08-18
10629556 Composite bump, method for forming composite bump, and substrate Takayoshi Matsumura, Naoaki Nakamura 2020-04-21
10586770 Optical module Takayoshi Matsumura, Naoaki Nakamura, Norio Kainuma, Kenji Fukuzono, Takumi Masuyama +2 more 2020-03-10
10488636 Projection zoom lens and projector 2019-11-26
10451857 Projection zoom lens 2019-10-22
10444450 Optical module Takayoshi Matsumura, Naoaki Nakamura, Kenji Fukuzono, Norio Kainuma, Takumi Masuyama +2 more 2019-10-15
10241333 Light guide, virtual image display device, and light guide unit Naoki Nakamura, Toshiaki Tokita, Shiori OHSUGI 2019-03-26
10234662 Image display device 2019-03-19
10088620 Light guide, virtual image optical system, and virtual image display device Shiori OHSUGI, Takanobu Osaka, Naoki Nakamura 2018-10-02
9972280 Display control device, input operation device, and air traffic control system Takahiro Katoji 2018-05-15
9952408 Image-forming lens, and imaging apparatus and information device using the image-forming lens Kazuyasu Ohashi 2018-04-24
9943881 Ultrasound probe Kengo Okada, Minoru Aoki, Hiroyuki Shikata, Yasuhiro Ona 2018-04-17
9928934 Curable composition for electronic component and connection structure Hideaki Ishizawa 2018-03-27
9864175 Lens for projection, and image display device 2018-01-09
9843030 Polyolefin multilayer microporous membrane and battery separator Yukiko Miura, Hideto Mitsuoka 2017-12-12
9832718 Portable information terminal using near field communication Masatoshi Yamazaki, Tooru Ooe, Masahiro Shoji, Hiroaki Adachi 2017-11-28