HY

Hisashi Yamada

KT Kabushiki Kaisha Toshiba: 61 patents #235 of 21,451Top 2%
Mitsubishi Electric: 25 patents #671 of 25,717Top 3%
SC Sumitomo Chemical: 10 patents #473 of 4,033Top 15%
University of California: 9 patents #709 of 18,278Top 4%
TO Toshiba: 6 patents #129 of 2,688Top 5%
Sumitomo Electric Industries: 6 patents #4,612 of 21,551Top 25%
KC Kasai Kogyo Co.: 4 patents #1 of 121Top 1%
SC Sumika Epi Solution Company: 3 patents #2 of 5Top 40%
TT The University Of Tokyo: 3 patents #321 of 2,633Top 15%
LG Lion Group: 3 patents #35 of 587Top 6%
MK Mitsubishi Denki K.K.: 2 patents #70 of 577Top 15%
Pioneer Electronic: 2 patents #804 of 1,840Top 45%
MH Memory-Tech Holdings: 2 patents #13 of 33Top 40%
NC Nippon Steel Chemical Co.: 1 patents #136 of 380Top 40%
HI Hitachi: 1 patents #17,742 of 28,497Top 65%
NK Nippon Hoso Kyokai: 1 patents #306 of 703Top 45%
Dai Nippon Printing Co.: 1 patents #1,392 of 2,222Top 65%
OC Olympus Optical Co.: 1 patents #1,517 of 2,334Top 65%
TC The Lion Fat & Oil Co.: 1 patents #21 of 52Top 45%
Overall (All Time): #9,487 of 4,157,543Top 1%
123
Patents All Time

Issued Patents All Time

Showing 101–123 of 123 patents

Patent #TitleCo-InventorsDate
5431768 Bonding device and bonding process for fabricating an interior component Masao Doumae, Fumihiko Saito 1995-07-11
5422455 Electrical discharge machine with secondary electrode for corrosion prevention Seiji Sato, Takuji Magara 1995-06-06
5416290 Electric discharge machine power supply circuit Takuji Magara 1995-05-16
5325242 Magnetic recording/reproducing apparatus for decreasing an error rate in recording/reproducing a digital signal Katsumi Fukuchi, Yasuyoshi Nishikawa 1994-06-28
5315088 Electric discharge machining apparatus with switch connection between workpiece and mount Takuji Magara 1994-05-24
5250796 Noise reduction system for optical record and reproduction apparatus using auto-power controlled semiconductor laser device Toyoki Taguchi, Toshihiro Sugaya, Kei Shimura 1993-10-05
5233148 Electrical discharge machine with machining gap voltage control Takuji Magara, Yasushi Endou 1993-08-03
5086202 Wire guides for traveling wire type apparatus Takeshi Iwasaki 1992-02-04
5045662 Automatic wire feeding method and apparatus for electrodischarge machining 1991-09-03
4975557 Wire cutting electric discharge machine with nozzle collision detection Toshio Suzuki, Takeshi Iwasaki 1990-12-04
4830779 Electrically conductive resin composition Seiji Maeno, Hidetaka Ozaki 1989-05-16
4800339 Amplifier circuit Hiroshi Tanimoto 1989-01-24
4764954 Automatic gain control in a loudspeaker telephone set Masayuki Tsurusaki, Yasuji Sato, Takeshi Horiuchi, Minoru Tanaka, Akira Maekawa 1988-08-16
4747966 Electrically conductive thermoplastic resin and coating compositions Seiji Maeno, Hidetaka Ozaki, Osamu Ito 1988-05-31
4705941 Apparatus for detecting a focusing state of an optical system Seiichi Ohgoshi 1987-11-10
4542370 Cascade-comparator A/D converter Shoichi Shimizu 1985-09-17
4491553 Method for producing filler-loaded thermoplastic resin composite Masayuki Makise, Tsutomu Katagiri, Kaname Abe 1985-01-01
4432610 Liquid crystal display device Hiroshi Kobayashi, Yukimasa Uchida 1984-02-21
4390847 Muting device Tsutomu Sugawara 1983-06-28
4379995 Gain controlled amplifier Tsutomu Sugawara 1983-04-12
4366442 Amplifier with muting circuit 1982-12-28
4303895 Automatic equalizer Shunichi Ohnishi, Masaharu Obara, Masaru Sakurai 1981-12-01
4259456 Odorless polyolefin resin compositions Kazuo Hayakawa, Masayuki Makise 1981-03-31