ISHII HIROKAZU has a total of 11 patent applications. It decreased the IP activity by 100.0%. Its first patent ever was published in 2001. It filed its patents most often in United States and Japan. Its main competitors in its focus markets optics, audio-visual technology and computer technology are EGUCHI HIROSHI, TANI TAKESHI and TAMURA HIROKAZU.
# | Country | Total Patents | |
---|---|---|---|
#1 | United States | 8 | |
#2 | Japan | 3 |
# | Industry | |
---|---|---|
#1 | Optics | |
#2 | Audio-visual technology | |
#3 | Computer technology |
# | Technology | |
---|---|---|
#1 | Television | |
#2 | Electrography | |
#3 | Cameras | |
#4 | Optical systems | |
#5 | Electric digital data processing |
# | Name | Total Patents |
---|---|---|
#1 | Ishii Hirokazu | 10 |
#2 | Ishii Shigeru | 2 |
#3 | Hachiro Shigeki | 1 |
#4 | Imafuku Kazuya | 1 |
#5 | Nakamura Naomi | 1 |
Publication | Filing date | Title |
---|---|---|
JP2003024247A | Toilet mat | |
JP2002249917A | Equipment and method for preventing human hair or the like from getting out of clothing |