AH

Akira Hasegawa

OC Olympus Optical Co.: 36 patents #30 of 2,334Top 2%
MM Mitsubishi Mining: 20 patents #10 of 2,247Top 1%
OL Olympus: 16 patents #209 of 3,097Top 7%
JC Jujo Paper Co.: 14 patents #5 of 105Top 5%
TO Toyota: 14 patents #1,948 of 26,838Top 8%
HI Hitachi: 12 patents #3,472 of 28,497Top 15%
SC Sumitomo Chemical: 11 patents #424 of 4,033Top 15%
Fujitsu Limited: 9 patents #3,538 of 24,456Top 15%
YK Yoshida Kogyo K.K.: 9 patents #35 of 468Top 8%
MC Mitsui Chemicals: 9 patents #181 of 2,279Top 8%
FU Fujifilm: 9 patents #988 of 4,519Top 25%
Mitsubishi Electric: 8 patents #3,714 of 25,717Top 15%
GK G-C Toshi Kogyo: 8 patents #1 of 17Top 6%
NM Nisshin Oil Mills: 5 patents #5 of 101Top 5%
UN Unknown: 5 patents #3,065 of 83,584Top 4%
SO Sony: 5 patents #7,785 of 25,231Top 35%
FU Fujirebio: 4 patents #26 of 219Top 15%
IC Ibiden Co.: 4 patents #206 of 730Top 30%
AT AT&T: 3 patents #5,550 of 18,772Top 30%
BL Bell Telephone Laboratories: 3 patents #167 of 1,445Top 15%
RR Renaissance Energy Research: 3 patents #9 of 38Top 25%
SI Sumitomo Rubber Industries: 3 patents #635 of 1,637Top 40%
WI Wako Pure Chemical Industries: 3 patents #56 of 377Top 15%
Sumitomo Electric Industries: 2 patents #9,741 of 21,551Top 50%
TO Tonen: 2 patents #77 of 264Top 30%
AG Agc: 2 patents #337 of 954Top 40%
MI Mitsui Toatsu Chemicals, Incorporated: 2 patents #607 of 1,543Top 40%
NS National Institute For Materials Science: 2 patents #189 of 901Top 25%
IT Institute Of National Colleges Of Technology: 2 patents #8 of 88Top 10%
KT Kabushiki Kaisha Toshiba: 2 patents #9,982 of 21,451Top 50%
OL Ortho Solutions, Lc: 2 patents #3 of 8Top 40%
IBM: 2 patents #32,839 of 70,183Top 50%
JT Japan Tobacco: 2 patents #330 of 1,187Top 30%
NC Nippon Shinyaku Co.: 2 patents #80 of 237Top 35%
KS Kobe Steel: 2 patents #504 of 2,031Top 25%
PA Panasonic: 1 patents #13,264 of 21,108Top 65%
RJ Research Development Corporation Of Japan: 1 patents #170 of 402Top 45%
SC Sanken Electric Co.: 1 patents #175 of 315Top 60%
SC Sanwa Kagaku Kenkyusho Co.: 1 patents #101 of 223Top 50%
SC Seitetsu Kagaku Co.: 1 patents #38 of 86Top 45%
DL Denka Company Limited: 1 patents #223 of 434Top 55%
TI Takeda Chemical Industries: 1 patents #745 of 1,420Top 55%
The Johns Hopkins University: 1 patents #1,892 of 4,416Top 45%
JM Johns Hopkins University School Of Medicine: 1 patents #129 of 255Top 55%
University of California: 1 patents #8,022 of 18,278Top 45%
The Yokohama Rubber Co.: 1 patents #666 of 1,136Top 60%
TC Tokyo-Buhin Kogyo Co.: 1 patents #4 of 18Top 25%
TS Tokyo Metropolitan Institute Of Medical Science: 1 patents #49 of 122Top 45%
TE Toshiba Engineering: 1 patents #11 of 49Top 25%
DC Daiichi Seiyaku Co.: 1 patents #38 of 111Top 35%
AI Advanced Life Science Institute: 1 patents #15 of 26Top 60%
WK Wakunaga Seiyaku Kabushiki Kaisha: 1 patents #36 of 78Top 50%
YK Ykk: 1 patents #472 of 845Top 60%
Casio Computer Co.: 1 patents #1,284 of 1,970Top 70%
JG Jgc: 1 patents #137 of 393Top 35%
JT Japan Science And Technology: 1 patents #225 of 836Top 30%
KL Kanebo, Limited: 1 patents #248 of 571Top 45%
JI Japan Atomic Energy Research Institute: 1 patents #188 of 609Top 35%
IN International: 1 patents #41 of 85Top 50%
ML Mitsui O.S.K. Lines: 1 patents #4 of 28Top 15%
NT National Institute Of Technology: 1 patents #16 of 70Top 25%
Nichia: 1 patents #1,005 of 1,531Top 70%
Nissan Motor Co.: 1 patents #4,519 of 8,689Top 55%
HO Hologic: 1 patents #311 of 450Top 70%
FK Furukawa Denki Kogyo Kabushiki Kaisha: 1 patents #8 of 22Top 40%
FC Fuji Electric Co.: 1 patents #1,354 of 2,643Top 55%
RT R2 Technology: 1 patents #15 of 24Top 65%
📍 Aomori, CA: #1 of 2 inventorsTop 50%
Overall (All Time): #1,864 of 4,157,543Top 1%
257
Patents All Time

Issued Patents All Time

Showing 251–257 of 257 patents

Patent #TitleCo-InventorsDate
4314998 6-Deoxyglucosamine-peptide derivatives, their production and use Yuichi Yamamura, Ichiro Azuma, Shigeru Kobayashi 1982-02-09
4308645 Separable slide fastener — 1982-01-05
4291117 Plate making process with novel use of surfactant Chikashi Ohishi 1981-09-22
4262938 Color-developing sheet for pressure-sensitive recording sheets Akihiro Yamaguchi, Tadashi Kobayashi, Kenzaburo Yamuguchi, Hisamichi Murakami, Noboru Yamato 1981-04-21
4260179 Color-developing sheet for pressure-sensitive recording sheets Akihiro Yamaguchi, Tadashi Kobayashi, Keizaburo Yamaguchi, Kisuke Osawa, Hisamichi Murakami +1 more 1981-04-07
4255017 Tunable source of coherent electromagnetic radiation based on modulational instability — 1981-03-10
4210789 Impact detecting switch Kenichi Ushiku 1980-07-01