NAKAI SADAO has a total of 11 patent applications. Its first patent ever was published in 1990. It filed its patents most often in Japan, EPO (European Patent Office) and United States. Its main competitors in its focus markets optics and measurement are ALFA EXX AB, PATEL C KUMAR N and PRANALYTICA INC.
# | Country | Total Patents | |
---|---|---|---|
#1 | Japan | 9 | |
#2 | EPO (European Patent Office) | 1 | |
#3 | United States | 1 |
# | Industry | |
---|---|---|
#1 | Optics | |
#2 | Measurement |
# | Technology | |
---|---|---|
#1 | Devices using light amplification | |
#2 | Analysing materials | |
#3 | Optical systems |
# | Name | Total Patents |
---|---|---|
#1 | Nakai Sadao | 11 |
#2 | Yamanaka Masanori | 7 |
#3 | Yamanaka Chiyoe | 6 |
#4 | Izawa Yasukazu | 6 |
#5 | Akatsuka Masanori | 4 |
#6 | Yonezawa Yoshiyuki | 4 |
#7 | Sato Takeshi | 3 |
#8 | Nakatsuka Masahiro | 3 |
#9 | Ohmi Masato | 2 |
#10 | Onoda Hajime | 2 |
Publication | Filing date | Title |
---|---|---|
JP2001127374A | Rod lens, holder for rod lens, and ld array with rod lens | |
JPH09312430A | Zig-zag slab solid-state laser and amplifier | |
JPH06296051A | Active wave plate | |
JPH06147986A | Method for measuring distribution of double refraction | |
JPH0694990A | Condensing optical system for semiconductor | |
JPH05226756A | Oscillation wavelength stabilizer for semiconductor laser | |
JPH05226755A | Method and apparatus for controlling semiconductor laser | |
JPH04198800A | Hybrid wiggler | |
JPH0442988A | Wiggler for free electron laser |