Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025
TS

Toru Sato

Canon: 17 patents #3,927 of 19,416Top 25%
KSKawasaki Steel: 9 patents #92 of 1,922Top 5%
AIAnest Iwata: 9 patents #4 of 71Top 6%
Panasonic: 5 patents #5,165 of 21,108Top 25%
Kawasaki: 4 patents #556 of 2,943Top 20%
TUTottori University: 4 patents #1 of 32Top 4%
DCDainippon Screen Mfg. Co.: 3 patents #254 of 977Top 30%
Sumitomo Electric Industries: 3 patents #7,735 of 21,551Top 40%
Toyota: 2 patents #10,861 of 26,838Top 45%
MKMitsui Kensetsu Kabushiki Kaisha: 2 patents #8 of 27Top 30%
TLTokyo Electron Limited: 2 patents #2,602 of 5,567Top 50%
UNUnknown: 2 patents #12,644 of 83,584Top 20%
AKAisan Kogyo Kabushiki Kaisha: 1 patents #344 of 642Top 55%
Nec: 1 patents #7,889 of 14,502Top 55%
NKNihon Kohden: 1 patents #238 of 467Top 55%
NKNippon Hoso Kyokai: 1 patents #306 of 703Top 45%
Nissan Motor Co.: 1 patents #4,519 of 8,689Top 55%
NINissho: 1 patents #65 of 171Top 40%
OIOsaka Oxygen Industries: 1 patents #3 of 21Top 15%
SCSumitomo Bakelite Co.: 1 patents #403 of 790Top 55%
MMMitsubishi Mining: 1 patents #886 of 2,247Top 40%
BOBosch: 1 patents #54 of 191Top 30%
Bridgestone: 1 patents #1,586 of 2,860Top 60%
DCDainippon Ink And Chemicals: 1 patents #446 of 1,002Top 45%
FCFurukawa Electric Co.: 1 patents #1,242 of 2,370Top 55%
HCHakuju Institute For Health Science Co.: 1 patents #2 of 10Top 20%
ICIkeda Bussan Co.: 1 patents #113 of 235Top 50%
KCKawasaki Kasei Chemicals: 1 patents #32 of 63Top 55%
KMKawasaki Motors: 1 patents #91 of 203Top 45%
KCKoito Manufacturing Co.: 1 patents #610 of 1,047Top 60%
MMMallinckrodt Medical: 1 patents #63 of 132Top 50%
Mitsubishi Electric: 1 patents #15,491 of 25,717Top 65%
Overall (All Time): #22,090 of 4,157,543Top 1%
81 Patents All Time

Issued Patents All Time

Showing 51–75 of 81 patents

Patent #TitleCo-InventorsDate
5611685 Substrate heat treatment apparatus Toshihiro Nakajima, Takatoshi Chiba, Kiyofumi Nishii 1997-03-18
5596582 AFC in OFDM modulation by shift of a window along a reception sample sequence Masafumi Saito 1997-01-21
5562151 Method and apparatus for producing thin ribbon Kenji Nakagawa, Nozomu Tamura, Saburo Moriwaki, Kiyoshi Shibuya, Shun Suhara +2 more 1996-10-08
5524157 Optical fiber coupler and a method of producing the same Shigehito Yodo, Akio Hasemi 1996-06-04
5499673 Method of and apparatus for conveying and guiding thin metal strip formed by quenching Nobuo Shiga, Tomohiro Marui, Kiyoshi Shibuya, Michiharu Ozawa, Masao Yukumoto 1996-03-19
D359039 Optical disk cartridge Masayoshi Kato, Yoshihiko Sugiyama, Yoshikazu Goto, Isao Sato 1995-06-06
5405446 Apparatus for heat processing a substrate Toshihiro Nakajima, Takatoshi Chiba, Kiyofumi Nishii 1995-04-11
D357239 Optical disk cartridge Masayoshi Kato, Yoshihiko Sugiyama, Yoshikazu Goto, Isao Sato 1995-04-11
5392774 Emergency resuscitation apparatus 1995-02-28
5392837 Apparatus for separating and guiding a thin strip produced by casting Masao Yukumoto, Michiharu Ozawa, Kiyoshi Shibuya, Saburo Moriwaki 1995-02-28
5322113 Method of producing amorphous alloy thin strip for commercial frequency band transformers Kiyoshi Shibuya, Nobuo Shiga 1994-06-21
5230381 Method and apparatus for manufacturing a thin metal strip by quenching and solidification Seiko Nara, Kiyoshi Shibuya, Kyoji Nakanishi 1993-07-27
5207777 Apparatus for transferring rapidly quenched metallic tapes Kiyoshi Shibuya, Nobuyuki Morito, Seiko Nara, Teruo Hiramatsu 1993-05-04
5164428 Method for the production of fine grain ice and dry clathrate water for manufacturing of concrete/mortar, a method for the production of concrete/mortar by using fine grain ice or dry clathrate water and concrete/mortar products manufactured thereby Tadashi Okamoto, Taiji Kanbayashi, Chuzo Kato 1992-11-17
5153339 Process for separation of naphthoquinone and phthalic acid Ryo Matsuura, Tatsuyoshi Komatsu, Kenji Usui 1992-10-06
5109949 Muffler of industrial engine Yoshio Kobayashi, Tomiya Kato 1992-05-05
5092933 Method for the production of concrete/mortar by using dry clathrate water and concrete/mortar products produced thereby Tadashi Okamoto, Taiji Kanbayashi, Chuzo Kato 1992-03-03
5045590 Construction material containing bituminous substances Masatoshi Motomura, Ichiro Muramatsu, Noboru Okoshi, Yoshitami Araki, Takahiko Ito 1991-09-03
5033472 Method of and apparatus for analyzing propagation of arterial pulse waves through the circulatory system Naoto Okazaki, Hironami Kubota, Hitoshi Suzuki 1991-07-23
4977949 Apparatus for transferring rapidly quenched metallic tapes Kiyoshi Shibuya, Nobuyuki Morito, Seiko Nara, Teruo Hiramatsu 1990-12-18
4837047 Container and method for storing blood Atsuya Matsuda, Masaru Shibata, Masayuki Onohara 1989-06-06
4825862 Pressure regulator for cuff of endotracheal tube with superposition of ventilating pressure variation Toshihisa Hasegawa 1989-05-02
4812310 Preserving solution for blood or packed blood cells and method for preserving blood or packed blood cells by using the same Naoto Okazaki, Katsumi Hiyoshi 1989-03-14
4809768 Cooling rolls for producing rapidly solidified metal strip sheets Nobuyuki Morito, Shinji Kobayashi 1989-03-07
4807307 Device for opening and closing the seating plate of the lavatory unit of the seat type Toshihisa Hasegawa 1989-02-28