TA

Toru Arai

DK Denki Kagaku Kogyo: 21 patents #1 of 655Top 1%
SC Sansha Electric Manufacturing Co.: 16 patents #7 of 93Top 8%
DL Denka Company Limited: 14 patents #5 of 434Top 2%
NE Nec: 4 patents #3,388 of 14,502Top 25%
TC Tokyo Parts Industrial Co.: 4 patents #7 of 32Top 25%
Shimano: 2 patents #376 of 759Top 50%
TU Tohoku University: 1 patents #615 of 1,680Top 40%
SO Sony: 1 patents #17,262 of 25,231Top 70%
EC Eisai R&D Management Co.: 1 patents #478 of 817Top 60%
MC Minebea Co.: 1 patents #400 of 736Top 55%
MM Minebea Mitsumi: 1 patents #239 of 442Top 55%
OC Oki Electric Industry Co.: 1 patents #1,459 of 2,807Top 55%
SA Sanden: 1 patents #336 of 631Top 55%
Overall (All Time): #33,093 of 4,157,543Top 1%
65
Patents All Time

Issued Patents All Time

Showing 51–65 of 65 patents

Patent #TitleCo-InventorsDate
6069811 DC power supply apparatus Haruo Moriguchi, Tetsuro Ikeda, Toshikazu Fujiyoshi, Masayuki Ono, Hideo Ishii 2000-05-30
6066709 Ethylene-aromatic vinyl compound copolymer and method for its production Akihiko Nakamura, Shigeru Suzuki, Toshiaki Otsu, Akio Okamoto 2000-05-23
6023416 DC power supply apparatus including boosting/lowering converter unit and control Kunio Shikata, Toshikazu Fujiyoshi, Takeshi Omura 2000-02-08
6011333 Vibrator motor having nonmagnetic armature cores Tadao Yamaguchi, Koichi Nakajima 2000-01-04
5943220 Waterproofed power supply apparatus Kunio Shikata, Masao Katooka, Shigeru Okamoto, Kenzo Danjo 1999-08-24
5930122 Inverter and DC power supply apparatus with inverter used therein Haruo Moriguchi, Toshikazu Fujiyoshi, Masayuki Ono, Satoshi Hamada, Hideo Ishii 1999-07-27
5926381 DC power supply apparatus Haruo Moriguchi, Toshikazu Fujiyoshi, Masayuki Ono, Satoshi Hamada, Hideo Ishii 1999-07-20
5883213 Ethylene-aromatic vinyl compound copolymer and method for its production Akihiko Nakamura, Shigeru Suzuki, Toshiaki Otsu, Akio Okamoto 1999-03-16
5831240 Power supply apparatus Masao Katooka, Shigeru Okamoto, Kenzo Danjo, Masaharu Tanaka 1998-11-03
5757638 Power supply apparatus Masao Katooka, Shigeru Okamoto, Kenzo Danjo, Masaharu Tanaka 1998-05-26
D386148 Portable power supply unit with AC-DC converter Masao Katooka, Shigeru Okamoto, Kenzo Danjo, Masaharu Tanaka 1997-11-11
D377335 Portable power supply unit with AC-DC converter Masao Katooka, Shigeru Okamoto, Kenzo Danjo, Masaharu Tanaka 1997-01-14
5469350 Voltage boosting power failure protected power supply device Hisashi Nishio, Masaru Nishizuka, Atsushi Makitani 1995-11-21
5077247 Dielectric ceramic for microwave applications Hosaku Sato, Ayusawa Kazutoshi 1991-12-31
4847465 Reflow soldering apparatus Toshio Toyama, Kazuya Kato, Tadamasa Tanaka, Masashi Yajima, Harutaka Hayasaka +1 more 1989-07-11