Hisashi Yamamoto
101Patents
16h-index
93Co-inventors
89Inventor score
Filing activity: Sep 4, 1973 → Apr 26, 2022
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5619239A | Replaceable ink tank | Performing Operations; Transporting | 117 | Expired |
| US4566911A | Method for cleaning article by scrubbing with cleaning roll | Performing Operations; Transporting | 48 | Expired |
| US6243116A | Ink container, installing-removing method therefore and apparatus usable with the same | Performing Operations; Transporting | 39 | Expired |
| US6070974A | Ink jet unit for a detachably mountable ink container | Performing Operations; Transporting | 32 | Expired |
| US6145975A | Method of mounting an exchangeable ink container | Performing Operations; Transporting | 30 | Expired |
| US5837057A | Film forming apparatus with particle prevention plate | Emerging Cross-Sectional Technologies | 27 | Expired |
| USD382013S | Ink cartridge holder for printer | General | 25 | Expired |
| US5852457A | Ink container cartridge | Performing Operations; Transporting | 23 | Expired |
| US4384174A | Moving voice coil loudspeaker, peripheral diaphragm support, diaphragm construction, bobbin to diaphragm reinforcement | Electricity | 23 | Expired |
| USD386520S | Ink cartridge for printer | General | 19 | Expired |
| USD375120S | Ink tank for printer | General | 18 | Expired |
| US5347713A | Method for manufacturing ink jet head | Emerging Cross-Sectional Technologies | 18 | Expired |
| US4395597A | Speaker diaphragm assembly and a method of manufacturing the same | Emerging Cross-Sectional Technologies | 18 | Expired |
| US5823667A | Mixer having a segmented helical mixing blade | Performing Operations; Transporting | 18 | Expired |
| USD371160S | Ink tank for printer | General | 18 | Expired |
| USD380490S | Ink cartridge for printer | General | 16 | Expired |
| US5571683A | .beta.-glucans detection reagents and methods of detecting .beta.-glucans | Emerging Cross-Sectional Technologies | 15 | Expired |
| USD378832S | Ink cartridge for printer | General | 15 | Expired |
| USD390869S | Ink cartridge for printer | General | 15 | Expired |
| USD378529S | Cartridge for printer | General | 15 | Expired |
| USD650317S1 | Water scooter | General | 14 | Expired |
| US5443687A | Method for manufacturing an ink jet head having an improved discharging port surface | Performing Operations; Transporting | 14 | Expired |
| USD378527S | Ink cartridge for printer | General | 12 | Expired |
| USD380491S | Ink cartridge for printer | General | 12 | Expired |
| US5760803A | Ink jet recording transfer molding processes for forming an ink jet recording head and a recording apparatus using the heads | Performing Operations; Transporting | 12 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.