TT

Tadashi Takahashi

HI Hitachi: 54 patents #236 of 28,497Top 1%
PE Pentax: 26 patents #54 of 761Top 8%
Canon: 13 patents #5,080 of 19,416Top 30%
PE Pentax: 10 patents #42 of 396Top 15%
FC Furukawa Electric Co.: 6 patents #331 of 2,370Top 15%
KT Kabushiki Kaisha Toshiba: 5 patents #5,683 of 21,451Top 30%
ML Mitsubishi Petrochemical Company Limited: 5 patents #67 of 670Top 10%
SM Suzuki Motor: 5 patents #90 of 1,209Top 8%
TO Toshiba: 5 patents #173 of 2,688Top 7%
HC Hitachi Automotive Engineering Co.: 4 patents #36 of 314Top 15%
NR Nidec Read: 4 patents #9 of 61Top 15%
KI Kikkoman: 4 patents #46 of 324Top 15%
Fujitsu Limited: 3 patents #8,614 of 24,456Top 40%
BM Bridgestone Metalpha: 3 patents #3 of 19Top 20%
NC Nippon Electric Glass Co.: 3 patents #132 of 437Top 35%
SC Shin-Etsu Chemical Co.: 3 patents #839 of 2,176Top 40%
HS Hitachi Tohbu Semiconductor: 2 patents #78 of 223Top 35%
TW Tokyo Automatic Machinery Works: 2 patents #17 of 58Top 30%
ND Nitto Denko: 2 patents #1,207 of 2,479Top 50%
HO Hoya: 2 patents #523 of 1,290Top 45%
JP Japan Polychem: 2 patents #15 of 104Top 15%
MC Mitsubishi Chemical: 2 patents #928 of 3,022Top 35%
MP Mitsubishi Power: 2 patents #85 of 508Top 20%
TO Toyota: 1 patents #15,335 of 26,838Top 60%
AK Asahi Kogaku Kabushiki Kaisha: 1 patents #9 of 73Top 15%
FU Fujifilm: 1 patents #3,076 of 4,519Top 70%
HC Hitachi Media Electronics Co.: 1 patents #130 of 214Top 65%
HC Hitachi Mizusawa Electronics Co.: 1 patents #8 of 28Top 30%
JC Japan Servo Co.: 1 patents #92 of 161Top 60%
Mitsubishi Electric: 1 patents #15,491 of 25,717Top 65%
NR Noda Institute For Scientific Research: 1 patents #19 of 45Top 45%
NK Nsk-Warner Kabushiki Kaisha: 1 patents #24 of 62Top 40%
OC Olympus Optical Co.: 1 patents #1,517 of 2,334Top 65%
UN Unknown: 1 patents #29,356 of 83,584Top 40%
AN Anritsu: 1 patents #314 of 633Top 50%
📍 Tokyo, NY: #6 of 99 inventorsTop 7%
Overall (All Time): #4,634 of 4,157,543Top 1%
173
Patents All Time

Issued Patents All Time

Showing 151–173 of 173 patents

Patent #TitleCo-InventorsDate
4638225 Method and apparatus therefor in motor speed control Shigeki Morinaga, Kunio Miyashita, Hiroshi Hayashida 1987-01-20
4628314 Method and apparatus for detecting position and velocity of moving body Shigeki Morinaga, Yasuyuki Sugiura, Kunio Miyashita 1986-12-09
4628259 Magneto resistive sensor for detecting movement of a rotating body Hiroshi Hayashida, Kunio Miyashita, Sadao Sekizawa 1986-12-09
4621224 Position/speed detection method and apparatus Mitsuru Watabe, Shigeki Morinaga, Yasuyuki Sugiura 1986-11-04
4599561 Device for detecting the relative and absolute position of a moving body Kunio Miyashita, Hiroshi Hayashida 1986-07-08
4594548 Multi phase magnetic sensor apparatus for detecting the position of moving member Kunio Miyashita, Syooichi Kawamata, Shigeki Morinaga 1986-06-10
4586152 Method and apparatus for counting an infinite length with a counter of finite length Hiroshi Hayashida, Kunio Miyashita, Shigeki Morinaga, Kosho Ishizaki 1986-04-29
4580084 Method and system for controlling speed of electric motor Kunio Miyashita, Hiroshi Hayashida, Shigeki Morinaga, Junshiro Inamura 1986-04-01
4577324 High power output laser apparatus Naoto Nishida, Katsuyuki Kakizaki 1986-03-18
4558265 Method and apparatus for position control of an electric motor Hiroshi Hayashida, Kunio Miyashita 1985-12-10
4526611 Process for producing superfines of metal Akinori Yoshizawa, Yasuo Nakane, Kenji Hagimori, Koya Ohgai, Norisada Arisawa +5 more 1985-07-02
4489372 Optical gate signal generating apparatus and thyristor converter apparatus including the same Yukihiko Hatano 1984-12-18
4475152 Water-cooled high voltage device Hiroo Ikegame, Sumio Kobayashi 1984-10-02
4473786 Method for controlling angular position and apparatus therefor Kunio Miyashita, Hiroshi Hayashida, Shigeki Morinaga, Kosho Ishizaki 1984-09-25
4418372 Magnetic rotary encoder Hiroshi Hayashida, Kunio Miyashita, Kanji Kawakami 1983-11-29
4403187 Magnetic head for sensing the position of a moving member Hiroshi Hayashida, Kunio Miyashita 1983-09-06
4347536 Rotary cylinder apparatus Kunio Miyashita, Shigeki Morinaga 1982-08-31
4336475 Slotless brushless motor Shigeki Morinaga, Kunio Miyashita, Takeo Maeda, Seizi Yamashita 1982-06-22
4325114 Gate controlling circuit for a thyristor converter Sumio Kobayashi, Hidetoshi Ino 1982-04-13
4320445 Gate control circuit for thyristor converter Sumio Kobayashi, Hidetoshi Ino, Takami Sakai 1982-03-16
4313156 Gate controlling circuit for a thyristor converter Sumio Kobayashi, Hidetoshi Ino 1982-01-26
4233919 Sewing machine protection apparatus Shigeki Morinaga 1980-11-18
4195585 Protection apparatus for electric sewing mechine Shigeki Morinaga 1980-04-01