HI

Hitoshi Ishikawa

NE Nec: 34 patents #190 of 14,502Top 2%
Samsung: 18 patents #7,482 of 75,807Top 10%
SO Sony: 17 patents #2,459 of 25,231Top 10%
Aisin Seiki Kabushiki Kaisha: 14 patents #194 of 3,782Top 6%
HI Hitachi: 10 patents #4,206 of 28,497Top 15%
ND Nec Energy Devices: 9 patents #3 of 81Top 4%
HC Hitachi Car Engineering Co.: 8 patents #53 of 465Top 15%
NT Nt Tool: 4 patents #1 of 7Top 15%
Fujitsu Limited: 2 patents #10,930 of 24,456Top 45%
OL Olympus: 2 patents #1,626 of 3,097Top 55%
TK Terumo Kabushiki Kaisha: 2 patents #599 of 1,558Top 40%
DE Denso: 2 patents #4,986 of 11,792Top 45%
TS Togo Seisakusyo: 1 patents #25 of 66Top 40%
AD Atotech Deutschland: 1 patents #212 of 445Top 50%
DC Dmg Mori Co.: 1 patents #91 of 217Top 45%
MS Mitsubishi Hitachi Power Systems: 1 patents #495 of 970Top 55%
Mitsubishi Electric: 1 patents #15,491 of 25,717Top 65%
📍 Takahama, JP: #1 of 11 inventorsTop 10%
Overall (All Time): #11,474 of 4,157,543Top 1%
112
Patents All Time

Issued Patents All Time

Showing 76–100 of 112 patents

Patent #TitleCo-InventorsDate
6639358 Organic electroluminescent device with buried lower elecrodes and method for manufacturing the same Etsuo Hasegawa 2003-10-28
6598472 Characteristics adjusting apparatus of physical quantity sensing device and a thermal type air flow measuring instrument, and associated adjusting method Shinya Igarashi, Kaoru Uchiyama 2003-07-29
6582837 Organic electroluminescence device Satoru Toguchi, Atushi Oda 2003-06-24
6565993 Organic electroluminescence device Satoru Toguchi, Hiroshi Tada, Yukiko Morioka, Atsushi Oda 2003-05-20
6557445 Tool holder and a runout correcting tool for a tool holder 2003-05-06
6557531 Thermal type air flow meter 2003-05-06
6559616 Rotational pulse generating circuit for motors Koji Aoki, Nobuyasu Kimura, Hideyuki Kanie 2003-05-06
6510735 Characteristics adjusting means of physical quantity sensing device and thermal type air flow measuring instrument Shinya Igarashi, Kaoru Uchiyama 2003-01-28
6476550 Organic Electroluminescent device with a defraction grading and luminescent layer Atsushi Oda, Satoru Toguchi 2002-11-05
6468675 Organic electroluminescent device having high luminance efficiency Satoru Toguchi, Atsushi Oda 2002-10-22
6465116 Organic electroluminescent device Satoru Toguchi, Yukiko Morioka, Atsushi Oda 2002-10-15
6456028 Pulse generating circuit for driving DC motor Koji Aoki, Hideyuki Kanie 2002-09-24
6396208 Organic electroluminescent device and its manufacturing process Atushi Oda, Satoru Toguchi 2002-05-28
6354275 Thermal air flow meter 2002-03-12
6329083 Organic electroluminescent device containing a benzoperylene compound Satoru Toguchi, Atsushi Oda 2001-12-11
6326757 Rotational pulse generating circuit for commutator DC motors Kohji Aoki, Hideyuki Kanie 2001-12-04
6320341 Control device for movable member Toshimitsu Oka, Kohji Aoki, Hideyuki Kanie 2001-11-20
D447972 Air flow senser for motorcar Shinya Igarashi, Hiromu Kikawa, Masayuki Kozawa, Isao Okazaki, Naoki Saito 2001-09-18
6180267 Organic electroluminescent device containing a 1,3-dibenzylideneindane compound Satoru Toguchi, Atsushi Oda 2001-01-30
6181953 Radio access system for a telematique service Masahiko Shirota, Ryoichi Ishibashi, Maki Watabe 2001-01-30
6175747 Base transceiver station and subscriber unit in wireless local loop system using personal handy-phone system and method for operating same Yasuo Tanishima, Rikihiko Mashima, Atsushi Yamashita, Hiroyuki Sogo, Mitsuru Seta +3 more 2001-01-16
6172473 Device for determining rotational number of DC motors Toshimitsu Oka, Koji Aoki, Hideyuki Kanie 2001-01-09
6070462 Characteristics adjusting means of physical quantity sensing device and thermal type air flow measuring instrument Shinya Igarashi, Kaoru Uchiyama 2000-06-06
5959832 Solid electrolytic capacitor with heat resisting polyaniline and method of manufacturing same Atsushi Kobayashi, Takashi Fukaumi, Kosuke Amano, Masaharu Satoh 1999-09-28
5897106 Spring assembly and power transmission device using the same Michinori Murase, Toshihiko Ishida 1999-04-27