TY

Toru Yamada

Sumitomo Electric Industries: 71 patents #74 of 21,551Top 1%
NE Nec: 40 patents #137 of 14,502Top 1%
MA Makita: 13 patents #84 of 770Top 15%
PA Panasonic: 13 patents #1,866 of 21,108Top 9%
FC Fuji Electric Co.: 5 patents #458 of 2,643Top 20%
FU Fujifilm: 4 patents #1,747 of 4,519Top 40%
SC Sumitomo Chemical: 3 patents #1,386 of 4,033Top 35%
HI Hitachi: 3 patents #10,712 of 28,497Top 40%
SC Shin-Etsu Chemical Co.: 3 patents #839 of 2,176Top 40%
SH Showa: 2 patents #102 of 337Top 35%
SC Shionogi & Co.: 2 patents #396 of 1,054Top 40%
SC Shin-Etsu Handotai Co.: 2 patents #282 of 679Top 45%
NC Nikkei Techno-Research Co.: 1 patents #5 of 14Top 40%
Fujitsu Limited: 1 patents #14,843 of 24,456Top 65%
MC Mitsui Chemicals: 1 patents #1,270 of 2,279Top 60%
MI Mitsui Petrochemical Industries: 1 patents #503 of 1,024Top 50%
NE Nec Electronics: 1 patents #715 of 1,789Top 40%
Casio Computer Co.: 1 patents #1,284 of 1,970Top 70%
NC Nippon Light Metal Company: 1 patents #203 of 499Top 45%
NJ Nuvoton Technology Corporation Japan: 1 patents #117 of 222Top 55%
SC Sanyo Electric Co.: 1 patents #3,644 of 6,347Top 60%
Overall (All Time): #4,453 of 4,157,543Top 1%
176
Patents All Time

Issued Patents All Time

Showing 151–175 of 176 patents

Patent #TitleCo-InventorsDate
6326863 Matching circuit chip, filter with matching circuit, duplexer and cellular phone Hiroshi Kushitani, Naoki Yuda, Toshio Ishizaki, Hideaki Nakakubo, Makoto Fujikawa 2001-12-04
6313398 Ga-doped multi-crytsalline silicon, Ga-doped multi-crystalline silicon wafer and method for producing the same Katsushi Tokunaga, Teruhiko Hirasawa 2001-11-06
6310525 Dielectric laminated device and its manufacturing method Hideaki Nakakubo, Toshio Ishizaki, Hiroshi Kagata, Tatsuya Inoue, Shoichi Kitazawa 2001-10-30
6222431 Balanced dielectric filter Toshio Ishizaki, Hideaki Nakakubo, Shoichi Kitazawa 2001-04-24
6222072 Process for producing optically active amine Teruaki Mukaiyama, Kiyoaki Sugi, Takushi Nagata 2001-04-24
6202122 Facsimile apparatus using a memory device with reloadable memory block having variable data occupancy rate 2001-03-13
6177853 Multilayer filter with electrode patterns connected on different side surfaces to side electrodes and input/output electrodes Yoshitaka Nagatomi, Naoki Yuda, Toshio Ishizaki, Shoichi Kitazawa 2001-01-23
6150903 Piezoelectric filter, its manufacturing method, and intermediate frequency filter Yasuteru Asakawa, Toshio Ishizaki, Osamu Kawasaki 2000-11-21
6147571 Dual-band multilayer bandpass filter Shoichi Kitazawa, Toshio Ishizaki, Koichi Ogawa, Makoto Fujikawa, Tadanori Fujisawa +2 more 2000-11-14
6140891 Dielectric laminated filter Hideaki Nakakubo, Toshio Ishizaki, Shoichi Kitazawa, Hiroshi Kushitani 2000-10-31
6125423 Memory device with enhanced memory management and a facsimile apparatus using the same 2000-09-26
6104260 Surface acoustic wave filter with first and second filter tracks and balanced or unbalanced terminals Shigeru Tsuzuki, Hiroyuki Nakamura 2000-08-15
6085071 Antenna duplexer Yukihiro Takeda, Masaki Kita, Hideyuki Miyake, Toshio Ishizaki, Makoto Fujikawa +1 more 2000-07-04
6020798 Dielectric laminated device and its manufacturing method Hideaki Nakakubo, Toshio Ishizaki, Hiroshi Kagata, Tatsuya Inoue, Shoichi Kitazawa 2000-02-01
5990762 Surface acoustic wave filter and multistage filter with multiple inside busbar lead-out electrodes Hiroyuki Nakamura, Kazunori Nishimura, Toshio Ishizaki 1999-11-23
5986522 Piezoelectric filter of the ladder type Yasuteru Asakawa, Toshio Ishizaki, Tomoki Uwano, Osamu Kawasaki, Yukihiko Ise +1 more 1999-11-16
5973579 Ladder type intermediate frequency filter Yasuteru Asakawa, Toshio Ishizaki, Hiroaki Kosugi 1999-10-26
5932950 Surface acoustic wave filter Toshio Ishizaki, Kazunori Nishimura, Kozo Murakami 1999-08-03
5894251 High frequency filter having saw and dielectric filters with different frequency temperature characteristic signs Yutaka Taguchi, Kazuo Eda, Shun-ichi Seki, Keiji Onishi 1999-04-13
5756790 Optically active cobalt (II) complexes and method for the preparation of optically active alcohols Teruaki Mukaiyama, Kiyotaka Yorozu, Takushi Nagata, Kiyoaki Sugi 1998-05-26
5667585 Method for the preparation of wire-formed silicon crystal Tsuguo Fukuda, Susumu Sakaguchi, Tadashi Kamioka, Teruhiko Hirasawa 1997-09-16
5581141 Surface acoustic wave filter Toshio Ishizaki, Kazunori Nishimura, Kozo Murakami 1996-12-03
5475350 Frequency tunable resonator including a varactor Toshio Ishizaki, Yoshihiro Nakagawa, Makoto Sakakura, Koji Hashimoto, Toshiaki Nakamura 1995-12-12
5431741 Silicon solar cell Susumu Sakaguchi, Tadashi Kamioka, Teruhiko Hirasawa 1995-07-11
5240519 Aluminum based Mg-Si-Cu-Mn alloy having high strength and superior elongation Hajime Kamio, Kenji Tsuchiya 1993-08-31