MY

Masahiro Yanagisawa

NE Nec: 24 patents #375 of 14,502Top 3%
NT NTT: 16 patents #198 of 4,871Top 5%
Ricoh Company: 12 patents #1,888 of 9,818Top 20%
NE Ntt Electronics: 6 patents #24 of 358Top 7%
YC Yamanouchi Pharmaceutical Co.: 4 patents #101 of 516Top 20%
NC Nippon Electric Co.: 4 patents #30 of 792Top 4%
SC Sumitomo Chemical: 3 patents #1,386 of 4,033Top 35%
SA Sanden: 3 patents #149 of 631Top 25%
Tdk: 2 patents #1,902 of 3,796Top 55%
AP Astellas Pharma: 2 patents #350 of 954Top 40%
WU Waseda University: 1 patents #116 of 411Top 30%
TC Takeuchi Industrial Co.: 1 patents #2 of 3Top 70%
HI Hitachi: 1 patents #17,742 of 28,497Top 65%
HC Hitachi Cable: 1 patents #530 of 1,086Top 50%
TF Tokyo University Of Science Foundation: 1 patents #82 of 252Top 35%
Overall (All Time): #25,464 of 4,157,543Top 1%
75
Patents All Time

Issued Patents All Time

Showing 51–75 of 75 patents

Patent #TitleCo-InventorsDate
5933294 Magnetic head supporting device with a suspension member having an arcuate hole at the slider supporting end 1999-08-03
5903697 Optical waveguide, method of making the same and integrated optical device Yasufumi Yamada, Hiroaki Okano, Keiichi Higuchi, Hisato Uetsuka, Tatsuo Teraoka +2 more 1999-05-11
5900318 Magnetic storage member 1999-05-04
5870249 Magnetic disk drive in which change in distance between magnetic head and disk is minimized 1999-02-09
5858536 Magnetic recording medium having a perfluoropolyether lubricant bonded to the surface of a carbon protective film 1999-01-12
5801906 Magnetic head device incorporating a ferroelectric thin film Akinobu Sato, Ken Ajiki 1998-09-01
5776577 Magnetic recording disk having a lubicant reservoir on the inner circumferential surface 1998-07-07
5757581 Magnetic disc device for lubricating a rotating disc 1998-05-26
5673161 Low wear rate magnetic head slider with high recording density Akinobu Sato, Ken Ajiki 1997-09-30
5621837 Opto-electronic hybrid integration platform, optical sub-module, opto-electronic hybrid integration circuit and process for fabricating platform Yasufumi Yamada, Shinji Mino, Ikuo Ogawa, Hiroshi Terui, Kaoru Yoshino +4 more 1997-04-15
5521017 Magnetic recording medium Nobuaki Yoshioka 1996-05-28
5508061 Method of manufacturing a magnetic storage medium 1996-04-16
5485327 Magnetic memory device having a perfluro-polyether film coated on an inner surface of its housing for entrapping dust 1996-01-16
5434728 Magnetic storage unit having a magnetic medium coated with lubricant 1995-07-18
5031055 Data storage apparatus with head displacement sensor 1991-07-09
4993455 Receiver dryer header portion for an automobile air conditioning apparatus 1991-02-19
4849305 Magnetic recording medium 1989-07-18
4820051 Apparatus for determining microhardness Yoshihiro Motomura 1989-04-11
4696845 Magnetic storage medium with lubricating coating 1987-09-29
4679829 Porting member with a universal coupling mechanism 1987-07-14
4649719 Receiver dryer with improved sealing structure 1987-03-17
4390562 Process of manufacturing a magnetic record member 1983-06-28
4380558 Process for manufacturing a protective polysilicate layer of a record member by a laser beam and a magnetic record member suitably manufactured thereby 1983-04-19
4326229 Magnetic record member and process for manufacturing the same 1982-04-20
4307156 Magnetic record member 1981-12-22