TT

Takashi Tokuyama

HI Hitachi: 7 patents #5,859 of 28,497Top 25%
UN Unknown: 4 patents #4,220 of 83,584Top 6%
KS Kobe Steel: 3 patents #455 of 1,773Top 30%
TO Toyota: 2 patents #10,861 of 26,838Top 45%
KC Kobelco Construction Machinery Co.: 2 patents #167 of 422Top 40%
SO Soken: 2 patents #35 of 182Top 20%
AE Alpine Electronics: 2 patents #159 of 637Top 25%
FC Fujitec Co.: 1 patents #23 of 78Top 30%
Overall (All Time): #246,372 of 4,157,543Top 6%
18
Patents All Time

Issued Patents All Time

Showing 1–18 of 18 patents

Patent #TitleCo-InventorsDate
12311964 Questionnaire apparatus, questionnaire method, and non-transitory computer-readable storage medium Sokfan YEE, Hiromitsu Kobayashi 2025-05-27
12306015 Notification device and method for moving body passengers Hiromitsu Kobayashi, Sokfan YEE 2025-05-20
11223249 Electric motor Shumpei Hayashi, Tsuyoshi Miyazaki 2022-01-11
11001481 Load detector, and winding apparatus for crane comprising said detector Hiroaki Kawai, Takashi Hiekata, Koji Inoue, Hiroshi Hashimoto, Toshiaki Shimoda +3 more 2021-05-11
10287137 Winch control apparatus and crane Hiroaki Kawai, Toshiaki Shimoda, Koji Inoue, Tetsuya Ogawa, Shintaroh Sasai 2019-05-14
9381146 Skin conditioner Megumi Jo 2016-07-05
5728384 Antiulcer agent 1998-03-17
5182559 Digital-analog converter with plural coefficient transversal filter 1993-01-26
4992792 Digital-analog converter for converting digital audio signals Ryoichi Mori, Kazuo Toraichi, Youichi Hashimoto, Koichi Endo 1991-02-12
4862170 Digital-analog converter Youichi Hashimoto, Kazuya Nishiga, Yoshihiro Arai, Nobuhide Ueki, Naoki Adachi 1989-08-29
4662225 Seismic detector Hiroshi Koh 1987-05-05
4609407 Method of making three dimensional semiconductor devices in selectively laser regrown polysilicon or amorphous silicon layers Tamura Masao, Hirotsugu Kozuka, Yasuo Wada, Makoto Ohkura, Tamura Hiroshi +3 more 1986-09-02
4570175 Three-dimensional semiconductor device with thin film monocrystalline member contacting substrate at a plurality of locations Masanobu Miyao, Makoto Ohkura, Iwao Takemoto, Terunori Warabisako, Kiichiro Mukai +3 more 1986-02-11
4565584 Method of producing single crystal film utilizing a two-step heat treatment Masao Tamura, Makoto Ohkura, Masanobu Miyao, Nobuyoshi Natsuaki, Naotsugu Yoshihiro +1 more 1986-01-21
4533831 Non-mass-analyzed ion implantation Haruo Itoh, Katsumi Tokiguchi, Terunori Warabisako, Tadashi Saitoh 1985-08-06
4498951 Method of manufacturing single-crystal film Masao Tamura, Naotsugu Yoshihiro, Nobuyoshi Natsuaki, Masanobu Miyao, Makoto Ohkura +1 more 1985-02-12
4394191 Stacked polycrystalline silicon film of high and low conductivity layers Yasuo Wada, Hiroo Usui, Makoto Ohkura, Masanobu Miyao, Masao Tamura 1983-07-19
4351674 Method of producing a semiconductor device Isao Yoshida, Yasuo Wada, Masao Tamura, Masanobu Miyao, Makoto Ohkura +1 more 1982-09-28