HT

Hitoshi Tanaka

HI Hitachi: 53 patents #249 of 28,497Top 1%
PE Pentax: 28 patents #47 of 761Top 7%
HE Hitachi Vlsi Engineering: 26 patents #1 of 666Top 1%
HC Hitachi Ulsi Systems Co.: 22 patents #6 of 867Top 1%
JD Japan Display: 20 patents #172 of 1,204Top 15%
Fujitsu Limited: 19 patents #1,495 of 24,456Top 7%
Tdk: 16 patents #345 of 3,796Top 10%
DE Denso: 12 patents #974 of 11,792Top 9%
EM Elpida Memory: 12 patents #50 of 692Top 8%
AD Advantest: 10 patents #85 of 1,193Top 8%
RT Renesas Technology: 8 patents #341 of 3,337Top 15%
OC Oki Electric Industry Co.: 7 patents #247 of 2,807Top 9%
Mitsubishi Electric: 7 patents #4,301 of 25,717Top 20%
PE Pentax: 7 patents #66 of 396Top 20%
Casio Computer Co.: 7 patents #358 of 1,970Top 20%
SC Seitetsu Kagaku Co.: 6 patents #6 of 86Top 7%
JC Jin Co.: 6 patents #1 of 8Top 15%
HE Hitachi Micro Computer Engineering: 5 patents #10 of 393Top 3%
PS Ps4 Luxco S.A.R.L.: 5 patents #17 of 276Top 7%
TA Tdk Electronics Ag: 5 patents #50 of 503Top 10%
TO Toyota: 4 patents #6,703 of 26,838Top 25%
JM J. Morita Mfg.: 4 patents #38 of 136Top 30%
SC Sanyo Electric Co.: 4 patents #1,493 of 6,347Top 25%
RC Rohto Pharmaceutical Co.: 3 patents #8 of 138Top 6%
Micron: 3 patents #3,077 of 6,345Top 50%
KC Koito Manufacturing Co.: 3 patents #355 of 1,047Top 35%
HO Hoya: 2 patents #523 of 1,290Top 45%
KO Kasei Optonix: 2 patents #35 of 142Top 25%
NC Nippondenso Co.: 2 patents #1,150 of 3,479Top 35%
OM Omron: 2 patents #1,275 of 3,089Top 45%
Sharp Kabushiki Kaisha: 2 patents #5,184 of 10,731Top 50%
SK Sumitomo Kinzoku Kogyo Kabushiki Kaisha: 2 patents #2 of 53Top 4%
AL Alcon Laboratories: 2 patents #114 of 314Top 40%
TI Toray Industries: 2 patents #1,308 of 3,690Top 40%
YC Yamatake-Honeywell Co.: 2 patents #37 of 169Top 25%
IC Iriso Electronics Co.: 2 patents #28 of 53Top 55%
MC Mizusawa Industrial Chemicals: 1 patents #47 of 90Top 55%
RE Renesas Electronics: 1 patents #2,739 of 4,529Top 65%
AK Asahi Kogaku Kogyo K.K.: 1 patents #76 of 180Top 45%
HK Hamamatsu Photonics K.K.: 1 patents #936 of 1,436Top 70%
LC Lapis Semiconductor Co.: 1 patents #173 of 349Top 50%
AK Asahi Kogaku Kabushiki Kaisha: 1 patents #9 of 73Top 15%
SC Semiconductor Technology Academic Research Center: 1 patents #98 of 254Top 40%
HO Honeywell: 1 patents #7,507 of 14,447Top 55%
Sumitomo Electric Industries: 1 patents #13,249 of 21,551Top 65%
UT University Of Tokushima: 1 patents #12 of 80Top 15%
SC Sumitomo Seika Chemicals Co.: 1 patents #180 of 365Top 50%
AL Aderans Company Limited: 1 patents #28 of 75Top 40%
KS Kobe Steel: 1 patents #857 of 2,031Top 45%
NS Nippon Soken: 1 patents #783 of 1,540Top 55%
TK Terumo Kabushiki Kaisha: 1 patents #888 of 1,558Top 60%
Nissan Motor Co.: 1 patents #4,519 of 8,689Top 55%
NI Nissho: 1 patents #65 of 171Top 40%
FC Furukawa Electric Co.: 1 patents #1,242 of 2,370Top 55%
The Johns Hopkins University: 1 patents #1,892 of 4,416Top 45%
OK Otsuka Kagaku Kabushiki Kaisya: 1 patents #86 of 183Top 50%
FC Fuji Photo Optical Co.: 1 patents #305 of 509Top 60%
📍 Yokohama, JP: #12 of 480 inventorsTop 3%
Overall (All Time): #1,492 of 4,157,543Top 1%
285
Patents All Time

Issued Patents All Time

Showing 226–250 of 285 patents

Patent #TitleCo-InventorsDate
5308849 Method of reducing elevated intraocular pressure Hirohisa Miyazaki, Katsuhiko Morisaki 1994-05-03
5305145 Waterproof lens 1994-04-19
5305036 Focusing torque control device for lens barrel 1994-04-19
5301142 Semiconductor memory Yukihide Suzuki, Masaya Muranaka, Hiromi Matsuura, Yoshinobu Nakagome, Eiji Yamasaki +1 more 1994-04-05
5297097 Large scale integrated circuit for low voltage operation Jun Etoh, Kiyoo Itoh, Yoshiki Kawajiri, Yoshinobu Nakagome, Eiji Kume 1994-03-22
5289260 Pattern defect detection device and a spatial frequency filter used therein Yoko Miyazaki, Toshimasa Tomoda, Nobuyuki Kosaka, Toyomi Ohshige 1994-02-22
5280450 High-speed semicondustor memory integrated circuit arrangement having power and signal lines with reduced resistance Yoshinobu Nakagome, Eiji Kume, Kiyoo Itoh 1994-01-18
5272393 Voltage converter of semiconductor device Masashi Horiguchi, Ryoichi Hori, Kiyoo Itoh, Yoshinobu Nakagome, Masakazu Aoki 1993-12-21
5264743 Semiconductor memory operating with low supply voltage Yoshinobu Nakagome, Kiyoo Itoh, Yasushi Watanabe, Eiji Kume, Masanori Isoda +2 more 1993-11-23
5262993 Semiconductor memory having redundancy circuit with means to switch power from a normal memory block to a spare memory block Masashi Horiguchi, Jun Etoh, Masakazu Aoki, Yoshinobu Nakagome, Kiyoo Itoh 1993-11-16
5262999 Large scale integrated circuit for low voltage operation Jun Etoh, Kiyoo Itoh, Yoshiki Kawajiri, Yoshinobu Nakagome, Eiji Kume 1993-11-16
5254880 Large scale integrated circuit having low internal operating voltage Masashi Horiguchi, Masakazu Aoki, Kiyoo Itoh, Yoshinobu Nakagome, Norio Miyake +3 more 1993-10-19
5251719 Active torque-split control system for actively distributing driving torques applied to wheels in four-wheel drive vehicles Yoshiyuki Eto, Akira Kiribe, Takashi Yonezawa, Takayuki Watanabe 1993-10-12
5247054 Organic polymer ferromagnetic material and process for preparing polymer Tsuneyuki Sato, Todatoshi Ota, deceased, Michio Sasaoka 1993-09-21
5243467 Zoom lens barrel for waterproof and/or water-resistant camera 1993-09-07
5241553 Laser diode for producing an optical beam at a visible wavelength 1993-08-31
5180798 Process for production of water-absorbent resin Morio Nakamura, Takushi Yamamoto, Hitoshi Ozawa, Yasuhiro Shimada 1993-01-19
5179539 Large scale integrated circuit having low internal operating voltage Masashi Horiguchi, Masakazu Aoki, Kiyoo Itoh, Yoshinobu Nakagome, Norio Miyake +3 more 1993-01-12
5177524 Device for controlling automatic focusing lens device 1993-01-05
5170063 Inspection device for detecting defects in a periodic pattern on a semiconductor wafer Yoko Miyazaki, Nobuyuki Kosaka, Toshimasa Tomoda 1992-12-08
5161066 Engaging mechanism of roller and guide groove in optical element Katsumori Kikuchi 1992-11-03
5115350 Light intercepting apparatus of lens 1992-05-19
5091207 Process and apparatus for chemical vapor deposition 1992-02-25
5070815 MOCVD device for growing a semiconductor layer by the metal-organic chemical vapor deposition process Kazumi Kasai, Hiromi Itoh, Nobuaki Tomesakai 1991-12-10
5066965 Waterproof and/or water-resistant camera Kosei Kosako 1991-11-19