TN

Takashi Nakagawa

SL Semiconductor Energy Laboratory: 31 patents #284 of 1,113Top 30%
PA Panasonic: 30 patents #516 of 21,108Top 3%
KE Kokusai Electric: 15 patents #27 of 583Top 5%
Canon: 15 patents #4,433 of 19,416Top 25%
Fujitsu Limited: 14 patents #2,150 of 24,456Top 9%
MC Mitsui Chemicals: 13 patents #98 of 2,279Top 5%
Sharp Kabushiki Kaisha: 10 patents #1,673 of 10,731Top 20%
AR Arkray: 9 patents #25 of 354Top 8%
HC Hitachi Construction Machinery Co.: 6 patents #208 of 1,234Top 20%
AC Amino Up Chemical Co.: 6 patents #2 of 20Top 10%
Honda Motor Co.: 6 patents #3,726 of 21,052Top 20%
IC Idemitsu Petrochemical Co.: 5 patents #66 of 578Top 15%
NE Nec: 5 patents #2,830 of 14,502Top 20%
TO Toyota: 4 patents #6,703 of 26,838Top 25%
Kioxia: 4 patents #355 of 1,813Top 20%
MK Murata Kikai: 4 patents #95 of 454Top 25%
RE Renesas Electronics: 4 patents #1,016 of 4,529Top 25%
TC Tsubakimoto Chain: 4 patents #110 of 593Top 20%
Mitsubishi Electric: 3 patents #8,691 of 25,717Top 35%
HE Hitachi Kokusai Electric: 3 patents #258 of 843Top 35%
IC Idemitsu Kosan Co.: 3 patents #409 of 1,237Top 35%
AC Alps Electric Co.: 3 patents #607 of 2,177Top 30%
MM Minebea Mitsumi: 3 patents #101 of 442Top 25%
NE Nec Electronics: 3 patents #234 of 1,789Top 15%
Tdk: 3 patents #1,522 of 3,796Top 45%
Aisin Seiki Kabushiki Kaisha: 3 patents #1,084 of 3,782Top 30%
NC Nippon Zeon Co.: 2 patents #188 of 609Top 35%
EJ Envision Aesc Japan: 2 patents #17 of 109Top 20%
TT Tokyo Institute Of Technology: 2 patents #232 of 1,159Top 25%
TC Tamagawa Seiki Co.: 2 patents #19 of 88Top 25%
Sumitomo Electric Industries: 1 patents #13,249 of 21,551Top 65%
HA Hitachi Astemo: 1 patents #649 of 1,276Top 55%
HI Hitachi: 1 patents #17,742 of 28,497Top 65%
YD Ye Data: 1 patents #9 of 25Top 40%
AS Automotive Energy Supply: 1 patents #42 of 87Top 50%
NU Nagasaki University: 1 patents #17 of 133Top 15%
EI Eizo: 1 patents #72 of 112Top 65%
Nichia: 1 patents #1,005 of 1,531Top 70%
NR Nidec Read: 1 patents #26 of 61Top 45%
NT Ntn: 1 patents #814 of 1,364Top 60%
PC Polymatech Co.: 1 patents #43 of 84Top 55%
SC Sanyo Electric Co.: 1 patents #3,644 of 6,347Top 60%
DC Dainippon Sumitomo Pharma Co.: 1 patents #107 of 256Top 45%
BG Bandai Namco Games: 1 patents #9 of 46Top 20%
SC Sumitomo Chemical: 1 patents #2,469 of 4,033Top 65%
Overall (All Time): #2,460 of 4,157,543Top 1%
229
Patents All Time

Issued Patents All Time

Showing 226–229 of 229 patents

Patent #TitleCo-InventorsDate
4429083 Process for the production of polyesterpolycarbonate Norio Ogata 1984-01-31
4192404 Muffler for internal combustion engines Tadashi Sugiuchi, Kanau Iwashita 1980-03-11
4192403 Muffler for internal combustion engines Tadashi Sugiuchi, Kanau Iwashita 1980-03-11
4192402 Muffler for internal combustion engines Tadashi Sugiuchi, Kanau Iwashita, Masaaki Uchida 1980-03-11