MN

Masao Nakamura

NC Nippon Zeon Co.: 16 patents #10 of 609Top 2%
ZE Zeon: 14 patents #28 of 734Top 4%
AC Ajinomoto Co.: 11 patents #121 of 2,190Top 6%
HC Hitachi Construction Machinery Co.: 9 patents #142 of 1,234Top 15%
ND Nitto Denko: 8 patents #411 of 2,479Top 20%
Sharp Kabushiki Kaisha: 7 patents #2,322 of 10,731Top 25%
JU Juki: 6 patents #9 of 281Top 4%
HI Hitachi: 6 patents #6,582 of 28,497Top 25%
KO Konica: 5 patents #528 of 1,958Top 30%
The Yokohama Rubber Co.: 5 patents #270 of 1,136Top 25%
BL Bridgestone Tire Company Limited: 5 patents #34 of 438Top 8%
Sumitomo Electric Industries: 4 patents #6,367 of 21,551Top 30%
HS Hitachi Microcomputer System: 4 patents #28 of 257Top 15%
Bridgestone: 3 patents #795 of 2,860Top 30%
NC Nitto Electric Industrial Co.: 3 patents #34 of 298Top 15%
FI Fujifilm Business Innovation: 2 patents #2,833 of 5,238Top 55%
AN Anritsu: 2 patents #192 of 633Top 35%
Fujitsu Limited: 2 patents #10,930 of 24,456Top 45%
RI Riken: 2 patents #375 of 1,824Top 25%
SI Sumitomo Rubber Industries: 2 patents #809 of 1,637Top 50%
The Dow Chemical: 2 patents #1,449 of 4,115Top 40%
Canon: 1 patents #14,899 of 19,416Top 80%
SC Sagami Chemical Research Center: 1 patents #140 of 312Top 45%
IN Inoac: 1 patents #65 of 232Top 30%
HC Horikiri Spring Manufacturing Co.: 1 patents #4 of 15Top 30%
PA Panasonic: 1 patents #13,264 of 21,108Top 65%
SC Sun-S Co.: 1 patents #2 of 13Top 20%
TC Taiho Kogyo Co.: 1 patents #179 of 332Top 55%
AD Advanced Display: 1 patents #86 of 147Top 60%
AC Asahi Kasei Kogyo Co.: 1 patents #565 of 1,395Top 45%
TC Toyo Soda Manufacturing Co.: 1 patents #136 of 272Top 50%
Aisin Seiki Kabushiki Kaisha: 1 patents #2,094 of 3,782Top 60%
KC Konishiroku Photo Industry Co.: 1 patents #532 of 894Top 60%
KM Konica Minolta: 1 patents #1,862 of 2,718Top 70%
OC Oki Electric Industry Co.: 1 patents #1,459 of 2,807Top 55%
📍 Tsukuba, MI: #1 of 2 inventorsTop 50%
Overall (All Time): #10,359 of 4,157,543Top 1%
118
Patents All Time

Issued Patents All Time

Showing 76–100 of 118 patents

Patent #TitleCo-InventorsDate
5603273 Under thread supply apparatus and method of supplying under thread Sumio Goto, Hiroyuki Tomioka, Takayoshi Mori, Nozomi Iwasaki 1997-02-18
5586462 Device and method for forming bent pipe of non-annular cross-section Kiyoshi Takeuchi, Shin Takeda 1996-12-24
5584257 Under thread supply apparatus Hiroyuki Tomioka, Takayoshi Mori 1996-12-17
5582355 Bobbin thread removing device Sumio Goto, Nozomi Iwasaki 1996-12-10
5479233 Photosensitive lithographic printing plate processing apparatus Tomoaki Takekoshi, Sonosuke Miyazaki 1995-12-26
5411779 Composite tubular article and process for producing the same Toshio Nakajima, Masayuki Kaneto, Toshihiko Tomita, Tokio Fujita, Hitoshi Ishizaka +6 more 1995-05-02
5308060 Tennis ball Ichiro Tominaga 1994-05-03
5307108 Film data exposure device Kenji Yamanouchi, Makoto Ikeda 1994-04-26
5202199 Battery marked with irradiated trace dots Seiichi Mitzutani, Kazumitsu Jibiki, Koji Arai, Kunihide Miura, Fumio Daio 1993-04-13
D326251 Automobile tire Shunsuke Aoki 1992-05-19
5102470 Electric resistor having a thin film conductor Setsuo Kodato 1992-04-07
5100482 Method of preparing a leaf spring Tadanori Tanaka, Toshifumi Yamada, Katuhyosi Takase, Kazuhiro Muramatsu, Tosikazu Ebata 1992-03-31
5097060 Process for crystallizing L-alpha-aspartyl-L-phenyl-alanine methyl ester Masayoshi Naruse, Haruo Kawasaki, Shinichi Kishimoto, Harutoshi Oura, Hideo Takeda 1992-03-17
5058091 Optical pickup device Yugo Murao, Tsutomu Nakamura 1991-10-15
5041607 Process for crystallizing L-alpha-aspartyl-L-phenyl-alanine methyl Masayoshi Naruse, Haruo Kawasaki, Shinichi Kishimoto, Harutoshi Oura, Hideo Takeda 1991-08-20
5024250 Piston type accumulator for hydraulic system 1991-06-18
4963195 Electric resistor and a power detector both comprising a thin film conductor Setsuo Kodato 1990-10-16
4957247 Film winding apparatus Norio Sakamoto, Takashi Ito 1990-09-18
4937464 Modular jack with loop testing switch Kaoru Nanba, Yoshihiro Nakamura 1990-06-26
4922011 Method for purifying aspartic acid Satoji Takahashi 1990-05-01
4884095 Apparatus for writing a data onto photosensitive film Kenji Yamanouchi, Yutaka Teraoka, Makoto Ikeda, Satoshi Kawai 1989-11-28
4878520 Heat insulating structures for low-temperature or cryogenic pipings Hiroshi Tonokawa 1989-11-07
4842682 Heavy duty low-section pneumatic radial tire and a process for manufacturing the same Norio Iwata, Takashi Takusagawa 1989-06-27
4836257 Pneumatic radial tire tread for reducing wandering Mamoru Mamada, Mitsuhisa Yahagi 1989-06-06
4820861 Process for the production of N-formyl-alpha-L-aspartyl-L-phenylalanine methyl ester Toshihide Yukawa, Haruo Kawasaki, Takashi Yamashita, Toshiaki Tsuji 1989-04-11