YF

Yuji Fujiwara

Yamaha: 51 patents #9 of 2,001Top 1%
Sumitomo Electric Industries: 23 patents #806 of 21,551Top 4%
Canon: 23 patents #2,685 of 19,416Top 15%
TO Toyota: 13 patents #2,130 of 26,838Top 8%
KT Kabushiki Kaisha Toshiba: 4 patents #8,011 of 21,451Top 40%
SC Sumitomo Dainippon Pharma Co.: 4 patents #16 of 206Top 8%
NT NTT: 3 patents #1,627 of 4,871Top 35%
NS Nippon Gakki Seizo: 3 patents #74 of 332Top 25%
NE Nec: 2 patents #5,510 of 14,502Top 40%
MC Moriroku Technology Company: 2 patents #5 of 25Top 20%
SC Sumitomo Pharma Co.: 2 patents #25 of 141Top 20%
SC Sanyo Electric Co.: 2 patents #2,557 of 6,347Top 45%
SO Sumitomo Dainippon Pharma Oncology: 2 patents #5 of 43Top 15%
SO Sumitomo Pharma Oncology: 1 patents #12 of 29Top 45%
NI Ngk Insulators: 1 patents #1,271 of 2,083Top 65%
CC Chugai Ro Co.: 1 patents #41 of 127Top 35%
DC Dainippon Sumitomo Pharma Co.: 1 patents #107 of 256Top 45%
📍 Boise, ID: #45 of 3,546 inventorsTop 2%
🗺 Idaho: #60 of 8,810 inventorsTop 1%
Overall (All Time): #7,439 of 4,157,543Top 1%
137
Patents All Time

Issued Patents All Time

Showing 126–137 of 137 patents

Patent #TitleCo-InventorsDate
5691489 Automatic player piano exactly reproducing half stroke in playback Yasuhiko Oba, Jun Yamamoto 1997-11-25
5677981 Video signal recording apparatus which receives a digital progressive scan TV signal and switches the progressive signal frame by frame alternately Shiro Kato, Masakazu Nishino, Tatsuro Juri, Seiichi Takeuchi 1997-10-14
5652399 Automatic player piano and estimator for acceleration of depressed key incorporated in the automatic player piano Taro Kawabata, Yasuhiko Oba, Shigeru Muramatsu, Yoshimasa Isozaki, Jun Ishii 1997-07-29
5646695 Video signal processing method and apparatus for use with plural television systems Shouichi Nishino, Sigeru Awamoto, Toyohiko Matsuda 1997-07-08
5627333 Keyboard musical instrument equipped with built-in distance measuring instrument for hammer sensors Wayne L. Stahnke, Taro Kawabata, Rei Furukawa, Takashi Tamaki 1997-05-06
5467135 Apparatus and method for moving picture coding Yasuhiko Yamane, Masakazu Nishino, Toyohiko Matuda 1995-11-14
5451708 Automatic player piano equipped with monitoring system on key action for improving fidelity of reproduced music Kiyoshi Kawamura, Tsutomu Sasaki 1995-09-19
D325548 Automobile Makoto Oshima, Kazuyuki Nakamura, Erwin K. Lui 1992-04-21
4743196 Continuous annealing furnace for a strip Masayuki Imose, Yoshito Sakaguchi 1988-05-10
4742612 Method of manufacturing wire harness by using nipped connector and apparatus therefor Kenjiro Dokan, Seiji Inano, Takashi Onoda, Yoshiyuki Hiramatsu, Yoshihiro Umeda +1 more 1988-05-10
4513652 Solenoid actuator for use in automatic performance piano Shigeru Muramatsu, Hazime Hayashida, Jun Yamamoto 1985-04-30
4469000 Solenoid driving apparatus for actuating key of player piano Shigeru Muramatsu, Mitsuhiko Mori, Takamichi Sawase 1984-09-04