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SDI CORP

Overview
  • Total Patents
    266
  • GoodIP Patent Rank
    19,085
  • Filing trend
    ⇧ 66.0%
About

SDI CORP has a total of 266 patent applications. It increased the IP activity by 66.0%. Its first patent ever was published in 1995. It filed its patents most often in Taiwan, EPO (European Patent Office) and United States. Its main competitors in its focus markets consumer goods, machine tools and packaging and shipping are QUANZHOU YIYANG TWINGO STATIONERY CO LTD, ESTERBROOK PEN CO and RIEPE WERK.

Patent filings per year

Chart showing SDI CORPs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Wu Chien-Lung 33
#2 Chen Szu-Yu 28
#3 Huang Chi-Feng 20
#4 Liu I-Hui 18
#5 Chien-Lung Wu 15
#6 Chiang Chun-Hsien 14
#7 Chen Jau-Shyong 14
#8 Hsu Chih-Wei 9
#9 Szu-Yu Chen 7
#10 Wu Cheng-Loung 7

Latest patents

Publication Filing date Title
EP3815925A1 Drawing compass
AU2018100775A4 Pressure regulating device for writing tool and writing tool having the same
HK1244618A2 Pressure adjustment device of writing instrument and writing instrument comprising the pressure adjustment device
CN110001239A Writing implement
TW201918385A Pressure adjusting device of writing utensil and writing utensil having same capable of adjusting internal pressure corresponding to slight or severe pressure variation to ensure balanced pressure for writing utensil
TWI645987B Writing tool
CN109421097A Labor-saving hole-punching machine
TWI637831B Labor-saving hole punch
CN109110552A Rubber belt applying device and its cutting assembly
TWI621540B Writing instrument and its inking unit
TW201811579A Writing tool including a pen tube, a blocking member, and an ink tube
TW201827189A Deformable puncher can provide the effect of labor saving and assist the user in storage or moving after deformation
GB201612989D0 Stapler with a moveable staple pressing mechanism
US2018015601A1 Stapler with a moveable staple pressing mechanism
PH12016000225A1 Lead frame
US9653385B1 Lead frame
CN107154392A Lead frame
TW201729375A Lead frame comprising a metal substrate, a silver coating layer, and a silver oxide layer
TW201726441A Pencil sharpener of automatically feeding pens has fewer operating steps to have convenience in use and may not harm user's fingers
US2016068009A1 Reciprocating pencil sharpener